CVE-2026-20129Network attack vector

Unauthenticated netadmin command execution via API bypass

Published Feb 25, 2026 · Updated Feb 25, 2026

Authentication bypass in Cisco Catalyst SD-WAN Manager allows remote attackers to execute API commands with netadmin privileges. The API authentication path accepts a crafted request without properly authenticating it and assigns the request a netadmin user context. No credentials or user interaction are required, and successful exploitation permits command execution within the netadmin privilege boundary.

CVSS severity9.8
Critical
EPSS probability0.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Cisco Catalyst SD-WAN Manager allows remote attackers to execute API commands with netadmin privileges. The API authentication path accepts a crafted request without properly authenticating it and assigns the request a netadmin user context. No credentials or user interaction are required, and successful exploitation permits command execution within the netadmin privilege boundary.

The record

CVE
CVE-2026-20129
Published
Feb 25, 2026
Updated
Feb 25, 2026
Vendor
ClamAV
Product
Cisco Catalyst SD-WAN Manager
Classifications
CWE-287, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 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_LI_Images
  84. Affected versionversion=20.12.6
  85. Affected versionversion=20.12.6_LI_Images
  86. Affected versionversion=20.1.2_937
  87. Affected versionversion=20.1.3
  88. Affected versionversion=20.1.3.1
  89. Affected versionversion=20.13.1
  90. Affected versionversion=20.13.1_LI_Images
  91. Affected versionversion=20.14.1
  92. Affected versionversion=20.14.1_LI_Images
  93. Affected versionversion=20.15.1
  94. Affected versionversion=20.15.1_LI_Images
  95. Affected versionversion=20.15.2
  96. Affected versionversion=20.15.2_LI_Images
  97. Affected versionversion=20.15.3
  98. Affected versionversion=20.15.3.1
  99. Affected versionversion=20.15.3_ LI _Images
  100. Affected versionversion=20.15.4
  101. Affected versionversion=20.15.4.1
  102. Affected versionversion=20.15.4.1_LI_Images
  103. Affected versionversion=20.15.4_LI_Images
  104. Affected versionversion=20.16.1
  105. Affected versionversion=20.16.1_LI_Images
  106. Affected versionversion=20.18.1
  107. Affected versionversion=20.18.1_LI_Images
  108. Affected versionversion=20.18.2
  109. Affected versionversion=20.18.2_LI_Images
  110. Affected versionversion=20.3.1
  111. Affected versionversion=20.3.2
  112. Affected versionversion=20.3.2.0.5
  113. Affected versionversion=20.3.2.0.6
  114. Affected versionversion=20.3.2.1
  115. Affected versionversion=20.3.2.1_927
  116. Affected versionversion=20.3.2.1_930
  117. Affected versionversion=20.3.2_925
  118. Affected versionversion=20.3.2_928
  119. Affected versionversion=20.3.2_929
  120. Affected versionversion=20.3.2_937
  121. Affected versionversion=20.3.3
  122. Affected versionversion=20.3.3.0.14
  123. Affected versionversion=20.3.3.0.16
  124. Affected versionversion=20.3.3.0.17
  125. Affected versionversion=20.3.3.0.18
  126. Affected versionversion=20.3.3.0.2
  127. Affected versionversion=20.3.3.0.4
  128. Affected versionversion=20.3.3.0.8
  129. Affected versionversion=20.3.3.1
  130. Affected versionversion=20.3.3.1.1
  131. Affected versionversion=20.3.3.1.10
  132. Affected versionversion=20.3.3.1.2
  133. Affected versionversion=20.3.3.1.5
  134. Affected versionversion=20.3.3.1.7
  135. Affected versionversion=20.3.3.2
  136. Affected versionversion=20.3.4
  137. Affected versionversion=20.3.4.0.1
  138. Affected versionversion=20.3.4.0.11
  139. Affected versionversion=20.3.4.0.19
  140. Affected versionversion=20.3.4.0.20
  141. Affected versionversion=20.3.4.0.24
  142. Affected versionversion=20.3.4.0.25
  143. Affected versionversion=20.3.4.0.26
  144. Affected versionversion=20.3.4.0.5
  145. Affected versionversion=20.3.4.0.6
  146. Affected versionversion=20.3.4.0.9
  147. Affected versionversion=20.3.4.1
  148. Affected versionversion=20.3.4.1.1
  149. Affected versionversion=20.3.4.1.2
  150. Affected versionversion=20.3.4.2
  151. Affected versionversion=20.3.4.2.1
  152. Affected versionversion=20.3.4.2.2
  153. Affected versionversion=20.3.4.3
  154. Affected versionversion=20.3.5
  155. Affected versionversion=20.3.5.0.7
  156. Affected versionversion=20.3.5.0.8
  157. Affected versionversion=20.3.5.0.9
  158. Affected versionversion=20.3.5.1
  159. Affected versionversion=20.3.6
  160. Affected versionversion=20.3.7
  161. Affected versionversion=20.3.7.1
  162. Affected versionversion=20.3.7.2
  163. Affected versionversion=20.3.8
  164. Affected versionversion=20.3.813
  165. Affected versionversion=20.3.814
  166. Affected versionversion=20.4.1
  167. Affected versionversion=20.4.1.0.01
  168. Affected versionversion=20.4.1.0.02
  169. Affected versionversion=20.4.1.0.1
  170. Affected versionversion=20.4.1.1
  171. Affected versionversion=20.4.1.1.5
  172. Affected versionversion=20.4.1.2
  173. Affected versionversion=20.4.2
  174. Affected versionversion=20.4.2.0.1
  175. Affected versionversion=20.4.2.0.2
  176. Affected versionversion=20.4.2.0.4
  177. Affected versionversion=20.4.2.1
  178. Affected versionversion=20.4.2.1.1
  179. Affected versionversion=20.4.2.2
  180. Affected versionversion=20.4.2.2.1
  181. Affected versionversion=20.4.2.2.2
  182. Affected versionversion=20.4.2.2.3
  183. Affected versionversion=20.4.2.2.4
  184. Affected versionversion=20.4.2.2.8
  185. Affected versionversion=20.4.2.3
  186. Affected versionversion=20.5.0.1.1
  187. Affected versionversion=20.5.1
  188. Affected versionversion=20.5.1.0.1
  189. Affected versionversion=20.5.1.0.2
  190. Affected versionversion=20.5.1.1
  191. Affected versionversion=20.5.1.2
  192. Affected versionversion=20.6.0.18.3
  193. Affected versionversion=20.6.0.18.4
  194. Affected versionversion=20.6.1
  195. Affected versionversion=20.6.1.0.1
  196. Affected versionversion=20.6.1.1
  197. Affected versionversion=20.6.1.2
  198. Affected versionversion=20.6.2
  199. Affected versionversion=20.6.2.0.4
  200. Affected versionversion=20.6.2.1
  201. Affected versionversion=20.6.2.2
  202. Affected versionversion=20.6.2.2.2
  203. Affected versionversion=20.6.2.2.3
  204. Affected versionversion=20.6.2.2.4
  205. Affected versionversion=20.6.2.2.7
  206. Affected versionversion=20.6.3
  207. Affected versionversion=20.6.3.0.10
  208. Affected versionversion=20.6.3.0.11
  209. Affected versionversion=20.6.3.0.14
  210. Affected versionversion=20.6.3.0.18
  211. Affected versionversion=20.6.3.0.19
  212. Affected versionversion=20.6.3.0.2
  213. Affected versionversion=20.6.3.0.23
  214. Affected versionversion=20.6.3.0.25
  215. Affected versionversion=20.6.3.0.27
  216. Affected versionversion=20.6.3.0.29
  217. Affected versionversion=20.6.3.0.31
  218. Affected versionversion=20.6.3.0.32
  219. Affected versionversion=20.6.3.0.33
  220. Affected versionversion=20.6.3.0.38
  221. Affected versionversion=20.6.3.0.39
  222. Affected versionversion=20.6.3.0.40
  223. Affected versionversion=20.6.3.0.41
  224. Affected versionversion=20.6.3.0.45
  225. Affected versionversion=20.6.3.0.46
  226. Affected versionversion=20.6.3.0.47
  227. Affected versionversion=20.6.3.0.5
  228. Affected versionversion=20.6.3.0.51
  229. Affected versionversion=20.6.3.0.7
  230. Affected versionversion=20.6.3.1
  231. Affected versionversion=20.6.3.1.1
  232. Affected versionversion=20.6.3.2
  233. Affected versionversion=20.6.3.3
  234. Affected versionversion=20.6.3.4
  235. Affected versionversion=20.6.4
  236. Affected versionversion=20.6.4.0.19
  237. Affected versionversion=20.6.4.0.21
  238. Affected versionversion=20.6.4.0.4
  239. Affected versionversion=20.6.4.1
  240. Affected versionversion=20.6.4.2
  241. Affected versionversion=20.6.5
  242. Affected versionversion=20.6.5.1
  243. Affected versionversion=20.6.5.1.10
  244. Affected versionversion=20.6.5.1.11
  245. Affected versionversion=20.6.5.1.13
  246. Affected versionversion=20.6.5.1.14
  247. Affected versionversion=20.6.5.1.2
  248. Affected versionversion=20.6.5.1.3
  249. Affected versionversion=20.6.5.1.4
  250. Affected versionversion=20.6.5.1.5
  251. Affected versionversion=20.6.5.1.6
  252. Affected versionversion=20.6.5.1.7
  253. Affected versionversion=20.6.5.1.9
  254. Affected versionversion=20.6.5.2
  255. Affected versionversion=20.6.5.2.1
  256. Affected versionversion=20.6.5.2.3
  257. Affected versionversion=20.6.5.2.4
  258. Affected versionversion=20.6.5.2.8
  259. Affected versionversion=20.6.5.3
  260. Affected versionversion=20.6.5.4
  261. Affected versionversion=20.6.5.5
  262. Affected versionversion=20.6.6
  263. Affected versionversion=20.6.6.0.1
  264. Affected versionversion=20.6.7
  265. Affected versionversion=20.6.8
  266. Affected versionversion=20.7.1
  267. Affected versionversion=20.7.1.0.2
  268. Affected versionversion=20.7.1.1
  269. Affected versionversion=20.7.1EFT2
  270. Affected versionversion=20.7.2
  271. Affected versionversion=20.8.1
  272. Affected versionversion=20.9.1
  273. Affected versionversion=20.9.1.1
  274. Affected versionversion=20.9.1EFT2
  275. Affected versionversion=20.9.1_LI_Images
  276. Affected versionversion=20.9.2
  277. Affected versionversion=20.9.2.0.01
  278. Affected versionversion=20.9.2.1
  279. Affected versionversion=20.9.2.2
  280. Affected versionversion=20.9.2.3
  281. Affected versionversion=20.9.2_LI_Images
  282. Affected versionversion=20.9.3
  283. Affected versionversion=20.9.3.0.12
  284. Affected versionversion=20.9.3.0.16
  285. Affected versionversion=20.9.3.0.17
  286. Affected versionversion=20.9.3.0.18
  287. Affected versionversion=20.9.3.0.2
  288. Affected versionversion=20.9.3.0.20
  289. Affected versionversion=20.9.3.0.21
  290. Affected versionversion=20.9.3.0.23
  291. Affected versionversion=20.9.3.0.24
  292. Affected versionversion=20.9.3.0.25
  293. Affected versionversion=20.9.3.0.26
  294. Affected versionversion=20.9.3.0.29
  295. Affected versionversion=20.9.3.0.3
  296. Affected versionversion=20.9.3.0.4
  297. Affected versionversion=20.9.3.0.5
  298. Affected versionversion=20.9.3.0.7
  299. Affected versionversion=20.9.3.0.8
  300. Affected versionversion=20.9.3.1
  301. Affected versionversion=20.9.3.2
  302. Affected versionversion=20.9.3.2_LI_Images
  303. Affected versionversion=20.9.3_LI_ Images
  304. Affected versionversion=20.9.4
  305. Affected versionversion=20.9.4.0.4
  306. Affected versionversion=20.9.4.1
  307. Affected versionversion=20.9.4.1.1
  308. Affected versionversion=20.9.4.1.3
  309. Affected versionversion=20.9.4.1.6
  310. Affected versionversion=20.9.4.1_LI_Images
  311. Affected versionversion=20.9.4_LI_Images
  312. Affected versionversion=20.9.5
  313. Affected versionversion=20.9.5.1
  314. Affected versionversion=20.9.5.1.4
  315. Affected versionversion=20.9.5.1_LI_Images
  316. Affected versionversion=20.9.5.2
  317. Affected versionversion=20.9.5.2.1
  318. Affected versionversion=20.9.5.2.13
  319. Affected versionversion=20.9.5.2.14
  320. Affected versionversion=20.9.5.2.16
  321. Affected versionversion=20.9.5.2.21
  322. Affected versionversion=20.9.5.2.7
  323. Affected versionversion=20.9.5.2_LI_Images
  324. Affected versionversion=20.9.5.3
  325. Affected versionversion=20.9.5.3_LI_Images
  326. Affected versionversion=20.9.5_LI_Images
  327. Affected versionversion=20.9.6
  328. Affected versionversion=20.9.6.0.3
  329. Affected versionversion=20.9.6_LI_Images
  330. Affected versionversion=20.9.7
  331. Affected versionversion=20.9.7.1
  332. Affected versionversion=20.9.7.1_LI _Images
  333. Affected versionversion=20.9.7_LI _Images
  334. Affected versionversion=20.9.8
  335. Affected versionversion=20.9.8_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_LI_Images; version=20.12.6; version=20.12.6_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; version=20.14.1; version=20.14.1_LI_Images; version=20.15.1; version=20.15.1_LI_Images; version=20.15.2; version=20.15.2_LI_Images; version=20.15.3; version=20.15.3.1; version=20.15.3_ LI _Images; version=20.15.4; version=20.15.4.1; version=20.15.4.1_LI_Images; version=20.15.4_LI_Images; version=20.16.1; version=20.16.1_LI_Images; version=20.18.1; version=20.18.1_LI_Images; version=20.18.2; version=20.18.2_LI_Images; version=20.3.1; version=20.3.2; version=20.3.2.0.5; version=20.3.2.0.6; version=20.3.2.1; version=20.3.2.1_927; version=20.3.2.1_930; version=20.3.2_925; version=20.3.2_928; version=20.3.2_929; version=20.3.2_937; version=20.3.3; version=20.3.3.0.14; version=20.3.3.0.16; version=20.3.3.0.17; version=20.3.3.0.18; version=20.3.3.0.2; version=20.3.3.0.4; version=20.3.3.0.8; version=20.3.3.1; version=20.3.3.1.1; version=20.3.3.1.10; version=20.3.3.1.2; version=20.3.3.1.5; version=20.3.3.1.7; version=20.3.3.2; version=20.3.4; version=20.3.4.0.1; version=20.3.4.0.11; version=20.3.4.0.19; version=20.3.4.0.20; version=20.3.4.0.24; version=20.3.4.0.25; version=20.3.4.0.26; version=20.3.4.0.5; version=20.3.4.0.6; version=20.3.4.0.9; version=20.3.4.1; version=20.3.4.1.1; version=20.3.4.1.2; version=20.3.4.2; version=20.3.4.2.1; version=20.3.4.2.2; 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Published CVSS scores

9.8Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
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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