CVE-2026-20224Network attack vector

Unauthenticated file disclosure via unsafe XML parsing

Published May 14, 2026 · Updated May 14, 2026

XXE injection in the web UI of Cisco Catalyst SD-WAN Manager allows remote attackers to read arbitrary files via crafted requests. The web UI parses attacker-supplied XML without safely handling external entity declarations, causing the parser to resolve entities against files on the Manager host. No credentials or special configuration are required, and the demonstrated consequence is file disclosure rather than file modification or service interruption.

CVSS severity8.6
High
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE injection in the web UI of Cisco Catalyst SD-WAN Manager allows remote attackers to read arbitrary files via crafted requests. The web UI parses attacker-supplied XML without safely handling external entity declarations, causing the parser to resolve entities against files on the Manager host. No credentials or special configuration are required, and the demonstrated consequence is file disclosure rather than file modification or service interruption.

The record

CVE
CVE-2026-20224
Published
May 14, 2026
Updated
May 14, 2026
Vendor
ClamAV
Product
Cisco Catalyst SD-WAN Manager
Classifications
CWE-20, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 14, 2026CVE publishedPublication date reported by the CVE source.
  2. May 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=17.2.10
  2. Affected versionversion=17.2.4
  3. Affected versionversion=17.2.5
  4. Affected versionversion=17.2.6
  5. Affected versionversion=17.2.7
  6. Affected versionversion=17.2.8
  7. Affected versionversion=17.2.9
  8. Affected versionversion=18.2.0
  9. Affected versionversion=18.3.0
  10. Affected versionversion=18.3.1
  11. Affected versionversion=18.3.1.1
  12. Affected versionversion=18.3.3
  13. Affected versionversion=18.3.3.1
  14. Affected versionversion=18.3.4
  15. Affected versionversion=18.3.5
  16. Affected versionversion=18.3.6
  17. Affected versionversion=18.3.6.1
  18. Affected versionversion=18.3.7
  19. Affected versionversion=18.3.8
  20. Affected versionversion=18.4.0
  21. Affected versionversion=18.4.0.1
  22. Affected versionversion=18.4.1
  23. Affected versionversion=18.4.3
  24. Affected versionversion=18.4.302
  25. Affected versionversion=18.4.303
  26. Affected versionversion=18.4.4
  27. Affected versionversion=18.4.5
  28. Affected versionversion=18.4.501_ES
  29. Affected versionversion=18.4.6
  30. Affected versionversion=19.0.0
  31. Affected versionversion=19.0.1a
  32. Affected versionversion=19.1.0
  33. Affected versionversion=19.2.0
  34. Affected versionversion=19.2.097
  35. Affected versionversion=19.2.098
  36. Affected versionversion=19.2.099
  37. Affected versionversion=19.2.1
  38. Affected versionversion=19.2.2
  39. Affected versionversion=19.2.3
  40. Affected versionversion=19.2.31
  41. Affected versionversion=19.2.32
  42. Affected versionversion=19.2.4
  43. Affected versionversion=19.2.4.0.1
  44. Affected versionversion=19.2.4.0.8
  45. Affected versionversion=19.2.4.0.9
  46. Affected versionversion=19.2.929
  47. Affected versionversion=19.3.0
  48. Affected versionversion=20.10.1
  49. Affected versionversion=20.10.1.1
  50. Affected versionversion=20.10.1.2
  51. Affected versionversion=20.10.1_LI_Images
  52. Affected versionversion=20.1.1
  53. Affected versionversion=20.1.1.1
  54. Affected versionversion=20.11.1
  55. Affected versionversion=20.11.1.1
  56. Affected versionversion=20.11.1.2
  57. Affected versionversion=20.11.1_LI_Images
  58. Affected versionversion=20.1.12
  59. Affected versionversion=20.1.2
  60. Affected versionversion=20.12.1
  61. Affected versionversion=20.12.1_LI_Images
  62. Affected versionversion=20.12.2
  63. Affected versionversion=20.12.2_LI_Images
  64. Affected versionversion=20.12.3
  65. Affected versionversion=20.12.3.1
  66. Affected versionversion=20.12.3_LI_Images
  67. Affected versionversion=20.12.4
  68. Affected versionversion=20.12.4.0.03
  69. Affected versionversion=20.12.401
  70. Affected versionversion=20.12.4.0.4
  71. Affected versionversion=20.12.4.0.6
  72. Affected versionversion=20.12.4.1
  73. Affected versionversion=20.12.4.1_LI_Images
  74. Affected versionversion=20.12.4_LI_Images
  75. Affected versionversion=20.12.4_Monthly_ES5
  76. Affected versionversion=20.12.5
  77. Affected versionversion=20.12.501
  78. Affected versionversion=20.12.5.1
  79. Affected versionversion=20.12.5.1.01
  80. Affected versionversion=20.12.5.1_LI_Images
  81. Affected versionversion=20.12.5.2
  82. Affected versionversion=20.12.5.2_LI_Images
  83. Affected versionversion=20.12.5.3
  84. Affected versionversion=20.12.5.3_LI_Images
  85. Affected versionversion=20.12.5.4
  86. Affected versionversion=20.12.5.4_LI_ Images
  87. Affected versionversion=20.12.5_LI_Images
  88. Affected versionversion=20.12.6
  89. Affected versionversion=20.12.6.1
  90. Affected versionversion=20.12.6.1_LI_Images
  91. Affected versionversion=20.12.6.2_LI_Images
  92. Affected versionversion=20.12.6_LI_Images
  93. Affected versionversion=20.12.7
  94. Affected versionversion=20.12.7.1
  95. Affected versionversion=20.12.7.1_LI_Images
  96. Affected versionversion=20.12.7_LI_Images
  97. Affected versionversion=20.1.2_937
  98. Affected versionversion=20.1.3
  99. Affected versionversion=20.1.3.1
  100. Affected versionversion=20.13.1
  101. Affected versionversion=20.13.1_LI_Images
  102. Affected versionversion=20.14.1
  103. Affected versionversion=20.14.1_LI_Images
  104. Affected versionversion=20.15.1
  105. Affected versionversion=20.15.1_LI_Images
  106. Affected versionversion=20.15.2
  107. Affected versionversion=20.15.2_LI_Images
  108. Affected versionversion=20.15.3
  109. Affected versionversion=20.15.3.1
  110. Affected versionversion=20.15.3_ LI _Images
  111. Affected versionversion=20.15.4
  112. Affected versionversion=20.15.4.1
  113. Affected versionversion=20.15.4.1_LI_Images
  114. Affected versionversion=20.15.4.2
  115. Affected versionversion=20.15.4.2_LI_Images
  116. Affected versionversion=20.15.4_LI_Images
  117. Affected versionversion=20.15.5
  118. Affected versionversion=20.15.5_LI_Images
  119. Affected versionversion=20.16.1
  120. Affected versionversion=20.16.1_LI_Images
  121. Affected versionversion=20.18.1
  122. Affected versionversion=20.18.1_LI_Images
  123. Affected versionversion=20.18.2
  124. Affected versionversion=20.18.2.1
  125. Affected versionversion=20.18.2.1_LI_Images
  126. Affected versionversion=20.18.2.2
  127. Affected versionversion=20.18.2.2_LI_Images
  128. Affected versionversion=20.18.2_LI_Images
  129. Affected versionversion=20.18.3
  130. Affected versionversion=20.18.3_LI_Images
  131. Affected versionversion=20.3.1
  132. Affected versionversion=20.3.2
  133. Affected versionversion=20.3.2.0.5
  134. Affected versionversion=20.3.2.0.6
  135. Affected versionversion=20.3.2.1
  136. Affected versionversion=20.3.2.1_927
  137. Affected versionversion=20.3.2.1_930
  138. Affected versionversion=20.3.2_925
  139. Affected versionversion=20.3.2_928
  140. Affected versionversion=20.3.2_929
  141. Affected versionversion=20.3.2_937
  142. Affected versionversion=20.3.3
  143. Affected versionversion=20.3.3.0.14
  144. Affected versionversion=20.3.3.0.16
  145. Affected versionversion=20.3.3.0.17
  146. Affected versionversion=20.3.3.0.18
  147. Affected versionversion=20.3.3.0.2
  148. Affected versionversion=20.3.3.0.4
  149. Affected versionversion=20.3.3.0.8
  150. Affected versionversion=20.3.3.1
  151. Affected versionversion=20.3.3.1.1
  152. Affected versionversion=20.3.3.1.10
  153. Affected versionversion=20.3.3.1.2
  154. Affected versionversion=20.3.3.1.5
  155. Affected versionversion=20.3.3.1.7
  156. Affected versionversion=20.3.3.2
  157. Affected versionversion=20.3.4
  158. Affected versionversion=20.3.4.0.1
  159. Affected versionversion=20.3.4.0.11
  160. Affected versionversion=20.3.4.0.19
  161. Affected versionversion=20.3.4.0.20
  162. Affected versionversion=20.3.4.0.24
  163. Affected versionversion=20.3.4.0.25
  164. Affected versionversion=20.3.4.0.26
  165. Affected versionversion=20.3.4.0.5
  166. Affected versionversion=20.3.4.0.6
  167. Affected versionversion=20.3.4.0.9
  168. Affected versionversion=20.3.4.1
  169. Affected versionversion=20.3.4.1.1
  170. Affected versionversion=20.3.4.1.2
  171. Affected versionversion=20.3.4.2
  172. Affected versionversion=20.3.4.2.1
  173. Affected versionversion=20.3.4.2.2
  174. Affected versionversion=20.3.4.3
  175. Affected versionversion=20.3.5
  176. Affected versionversion=20.3.5.0.7
  177. Affected versionversion=20.3.5.0.8
  178. Affected versionversion=20.3.5.0.9
  179. Affected versionversion=20.3.5.1
  180. Affected versionversion=20.3.6
  181. Affected versionversion=20.3.7
  182. Affected versionversion=20.3.7.1
  183. Affected versionversion=20.3.7.2
  184. Affected versionversion=20.3.8
  185. Affected versionversion=20.3.813
  186. Affected versionversion=20.3.814
  187. Affected versionversion=20.4.1
  188. Affected versionversion=20.4.1.0.01
  189. Affected versionversion=20.4.1.0.02
  190. Affected versionversion=20.4.1.0.1
  191. Affected versionversion=20.4.1.1
  192. Affected versionversion=20.4.1.1.5
  193. Affected versionversion=20.4.1.2
  194. Affected versionversion=20.4.2
  195. Affected versionversion=20.4.2.0.1
  196. Affected versionversion=20.4.2.0.2
  197. Affected versionversion=20.4.2.0.4
  198. Affected versionversion=20.4.2.1
  199. Affected versionversion=20.4.2.1.1
  200. Affected versionversion=20.4.2.2
  201. Affected versionversion=20.4.2.2.1
  202. Affected versionversion=20.4.2.2.2
  203. Affected versionversion=20.4.2.2.3
  204. Affected versionversion=20.4.2.2.4
  205. Affected versionversion=20.4.2.2.8
  206. Affected versionversion=20.4.2.3
  207. Affected versionversion=20.5.0.1.1
  208. Affected versionversion=20.5.1
  209. Affected versionversion=20.5.1.0.1
  210. Affected versionversion=20.5.1.0.2
  211. Affected versionversion=20.5.1.1
  212. Affected versionversion=20.5.1.2
  213. Affected versionversion=20.6.0.18.3
  214. Affected versionversion=20.6.0.18.4
  215. Affected versionversion=20.6.1
  216. Affected versionversion=20.6.1.0.1
  217. Affected versionversion=20.6.1.1
  218. Affected versionversion=20.6.1.2
  219. Affected versionversion=20.6.2
  220. Affected versionversion=20.6.2.0.4
  221. Affected versionversion=20.6.2.1
  222. Affected versionversion=20.6.2.2
  223. Affected versionversion=20.6.2.2.2
  224. Affected versionversion=20.6.2.2.3
  225. Affected versionversion=20.6.2.2.4
  226. Affected versionversion=20.6.2.2.7
  227. Affected versionversion=20.6.3
  228. Affected versionversion=20.6.3.0.10
  229. Affected versionversion=20.6.3.0.11
  230. Affected versionversion=20.6.3.0.14
  231. Affected versionversion=20.6.3.0.18
  232. Affected versionversion=20.6.3.0.19
  233. Affected versionversion=20.6.3.0.2
  234. Affected versionversion=20.6.3.0.23
  235. Affected versionversion=20.6.3.0.25
  236. Affected versionversion=20.6.3.0.27
  237. Affected versionversion=20.6.3.0.29
  238. Affected versionversion=20.6.3.0.31
  239. Affected versionversion=20.6.3.0.32
  240. Affected versionversion=20.6.3.0.33
  241. Affected versionversion=20.6.3.0.38
  242. Affected versionversion=20.6.3.0.39
  243. Affected versionversion=20.6.3.0.40
  244. Affected versionversion=20.6.3.0.41
  245. Affected versionversion=20.6.3.0.45
  246. Affected versionversion=20.6.3.0.46
  247. Affected versionversion=20.6.3.0.47
  248. Affected versionversion=20.6.3.0.5
  249. Affected versionversion=20.6.3.0.51
  250. Affected versionversion=20.6.3.0.7
  251. Affected versionversion=20.6.3.1
  252. Affected versionversion=20.6.3.1.1
  253. Affected versionversion=20.6.3.2
  254. Affected versionversion=20.6.3.3
  255. Affected versionversion=20.6.3.4
  256. Affected versionversion=20.6.4
  257. Affected versionversion=20.6.4.0.19
  258. Affected versionversion=20.6.4.0.21
  259. Affected versionversion=20.6.4.0.4
  260. Affected versionversion=20.6.4.1
  261. Affected versionversion=20.6.4.2
  262. Affected versionversion=20.6.5
  263. Affected versionversion=20.6.5.1
  264. Affected versionversion=20.6.5.1.10
  265. Affected versionversion=20.6.5.1.11
  266. Affected versionversion=20.6.5.1.13
  267. Affected versionversion=20.6.5.1.14
  268. Affected versionversion=20.6.5.1.2
  269. Affected versionversion=20.6.5.1.3
  270. Affected versionversion=20.6.5.1.4
  271. Affected versionversion=20.6.5.1.5
  272. Affected versionversion=20.6.5.1.6
  273. Affected versionversion=20.6.5.1.7
  274. Affected versionversion=20.6.5.1.9
  275. Affected versionversion=20.6.5.2
  276. Affected versionversion=20.6.5.2.1
  277. Affected versionversion=20.6.5.2.3
  278. Affected versionversion=20.6.5.2.4
  279. Affected versionversion=20.6.5.2.8
  280. Affected versionversion=20.6.5.3
  281. Affected versionversion=20.6.5.4
  282. Affected versionversion=20.6.5.5
  283. Affected versionversion=20.6.6
  284. Affected versionversion=20.6.6.0.1
  285. Affected versionversion=20.6.7
  286. Affected versionversion=20.6.8
  287. Affected versionversion=20.7.1
  288. Affected versionversion=20.7.1.0.2
  289. Affected versionversion=20.7.1.1
  290. Affected versionversion=20.7.1EFT2
  291. Affected versionversion=20.7.2
  292. Affected versionversion=20.8.1
  293. Affected versionversion=20.9.1
  294. Affected versionversion=20.9.1.1
  295. Affected versionversion=20.9.1EFT2
  296. Affected versionversion=20.9.1_LI_Images
  297. Affected versionversion=20.9.2
  298. Affected versionversion=20.9.2.0.01
  299. Affected versionversion=20.9.2.1
  300. Affected versionversion=20.9.2.2
  301. Affected versionversion=20.9.2.3
  302. Affected versionversion=20.9.2_LI_Images
  303. Affected versionversion=20.9.3
  304. Affected versionversion=20.9.3.0.12
  305. Affected versionversion=20.9.3.0.16
  306. Affected versionversion=20.9.3.0.17
  307. Affected versionversion=20.9.3.0.18
  308. Affected versionversion=20.9.3.0.2
  309. Affected versionversion=20.9.3.0.20
  310. Affected versionversion=20.9.3.0.21
  311. Affected versionversion=20.9.3.0.23
  312. Affected versionversion=20.9.3.0.24
  313. Affected versionversion=20.9.3.0.25
  314. Affected versionversion=20.9.3.0.26
  315. Affected versionversion=20.9.3.0.29
  316. Affected versionversion=20.9.3.0.3
  317. Affected versionversion=20.9.3.0.4
  318. Affected versionversion=20.9.3.0.5
  319. Affected versionversion=20.9.3.0.7
  320. Affected versionversion=20.9.3.0.8
  321. Affected versionversion=20.9.3.1
  322. Affected versionversion=20.9.3.2
  323. Affected versionversion=20.9.3.2_LI_Images
  324. Affected versionversion=20.9.3_LI_ Images
  325. Affected versionversion=20.9.4
  326. Affected versionversion=20.9.4.0.4
  327. Affected versionversion=20.9.4.1
  328. Affected versionversion=20.9.4.1.1
  329. Affected versionversion=20.9.4.1.3
  330. Affected versionversion=20.9.4.1.6
  331. Affected versionversion=20.9.4.1_LI_Images
  332. Affected versionversion=20.9.4_LI_Images
  333. Affected versionversion=20.9.5
  334. Affected versionversion=20.9.5.1
  335. Affected versionversion=20.9.5.1.4
  336. Affected versionversion=20.9.5.1_LI_Images
  337. Affected versionversion=20.9.5.2
  338. Affected versionversion=20.9.5.2.1
  339. Affected versionversion=20.9.5.2.13
  340. Affected versionversion=20.9.5.2.14
  341. Affected versionversion=20.9.5.2.16
  342. Affected versionversion=20.9.5.2.21
  343. Affected versionversion=20.9.5.2.7
  344. Affected versionversion=20.9.5.2_LI_Images
  345. Affected versionversion=20.9.5.3
  346. Affected versionversion=20.9.5.3_LI_Images
  347. Affected versionversion=20.9.5_LI_Images
  348. Affected versionversion=20.9.6
  349. Affected versionversion=20.9.6.0.3
  350. Affected versionversion=20.9.6_LI_Images
  351. Affected versionversion=20.9.7
  352. Affected versionversion=20.9.7.1
  353. Affected versionversion=20.9.7.1_LI _Images
  354. Affected versionversion=20.9.7_LI _Images
  355. Affected versionversion=20.9.8
  356. Affected versionversion=20.9.8.2
  357. Affected versionversion=20.9.8.2_LI_Images
  358. Affected versionversion=20.9.8_LI_Images
  359. Affected versionversion=20.9.9
  360. Affected versionversion=20.9.9_LI_Images
  361. Affected versionversion=26.0.1
  362. Affected versionversion=26.1.1
  363. Affected versionversion=26.1.1_LI_Images

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Catalyst SD-WAN Managerversion=17.2.10; version=17.2.4; version=17.2.5; version=17.2.6; version=17.2.7; version=17.2.8; version=17.2.9; version=18.2.0; version=18.3.0; version=18.3.1; version=18.3.1.1; version=18.3.3; version=18.3.3.1; version=18.3.4; version=18.3.5; version=18.3.6; version=18.3.6.1; version=18.3.7; version=18.3.8; version=18.4.0; version=18.4.0.1; version=18.4.1; version=18.4.3; version=18.4.302; version=18.4.303; version=18.4.4; version=18.4.5; version=18.4.501_ES; version=18.4.6; version=19.0.0; version=19.0.1a; version=19.1.0; version=19.2.0; version=19.2.097; version=19.2.098; version=19.2.099; version=19.2.1; version=19.2.2; version=19.2.3; version=19.2.31; version=19.2.32; version=19.2.4; version=19.2.4.0.1; version=19.2.4.0.8; version=19.2.4.0.9; version=19.2.929; version=19.3.0; version=20.10.1; version=20.10.1.1; version=20.10.1.2; version=20.10.1_LI_Images; version=20.1.1; version=20.1.1.1; version=20.11.1; version=20.11.1.1; version=20.11.1.2; version=20.11.1_LI_Images; version=20.1.12; version=20.1.2; version=20.12.1; version=20.12.1_LI_Images; version=20.12.2; version=20.12.2_LI_Images; version=20.12.3; version=20.12.3.1; version=20.12.3_LI_Images; version=20.12.4; version=20.12.4.0.03; version=20.12.401; version=20.12.4.0.4; version=20.12.4.0.6; version=20.12.4.1; version=20.12.4.1_LI_Images; version=20.12.4_LI_Images; version=20.12.4_Monthly_ES5; version=20.12.5; version=20.12.501; version=20.12.5.1; version=20.12.5.1.01; version=20.12.5.1_LI_Images; version=20.12.5.2; version=20.12.5.2_LI_Images; version=20.12.5.3; version=20.12.5.3_LI_Images; version=20.12.5.4; version=20.12.5.4_LI_ Images; version=20.12.5_LI_Images; version=20.12.6; version=20.12.6.1; version=20.12.6.1_LI_Images; version=20.12.6.2_LI_Images; version=20.12.6_LI_Images; version=20.12.7; version=20.12.7.1; version=20.12.7.1_LI_Images; version=20.12.7_LI_Images; version=20.1.2_937; version=20.1.3; version=20.1.3.1; version=20.13.1; version=20.13.1_LI_Images; 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version=20.9.7_LI _Images; version=20.9.8; version=20.9.8.2; version=20.9.8.2_LI_Images; version=20.9.8_LI_Images; version=20.9.9; version=20.9.9_LI_Images; version=26.0.1; version=26.1.1; version=26.1.1_LI_Images

Published CVSS scores

8.6Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

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