CVE-2024-20408Network attack vector

Authenticated device reload via malformed DAP request

Published Oct 23, 2024 · Updated Oct 24, 2024

Improper input validation in Cisco ASA and FTD Software allows remote authenticated users to reload affected devices via HTTPS POST requests. The Dynamic Access Policies feature accepts malformed data in an HTTPS POST request without validating its expected type, causing the device to reload. Exploitation requires valid remote-access VPN credentials plus SSL VPN, a custom DAP, and HostScan enabled, and it interrupts service by rebooting the firewall.

CVSS severity7.7
High
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Cisco ASA and FTD Software allows remote authenticated users to reload affected devices via HTTPS POST requests. The Dynamic Access Policies feature accepts malformed data in an HTTPS POST request without validating its expected type, causing the device to reload. Exploitation requires valid remote-access VPN credentials plus SSL VPN, a custom DAP, and HostScan enabled, and it interrupts service by rebooting the firewall.

The record

CVE
CVE-2024-20408
Published
Oct 23, 2024
Updated
Oct 24, 2024
Vendor
ClamAV
Product
Cisco Adaptive Security Appliance (ASA) Software
Classifications
CWE-1287, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 23, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 24, 2024Record 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=9.12.1
  2. Affected versionversion=9.12.1.2
  3. Affected versionversion=9.12.1.3
  4. Affected versionversion=9.12.2
  5. Affected versionversion=9.12.2.1
  6. Affected versionversion=9.12.2.4
  7. Affected versionversion=9.12.2.5
  8. Affected versionversion=9.12.2.9
  9. Affected versionversion=9.12.3
  10. Affected versionversion=9.12.3.12
  11. Affected versionversion=9.12.3.2
  12. Affected versionversion=9.12.3.7
  13. Affected versionversion=9.12.3.9
  14. Affected versionversion=9.12.4
  15. Affected versionversion=9.12.4.10
  16. Affected versionversion=9.12.4.13
  17. Affected versionversion=9.12.4.18
  18. Affected versionversion=9.12.4.2
  19. Affected versionversion=9.12.4.24
  20. Affected versionversion=9.12.4.26
  21. Affected versionversion=9.12.4.29
  22. Affected versionversion=9.12.4.30
  23. Affected versionversion=9.12.4.35
  24. Affected versionversion=9.12.4.37
  25. Affected versionversion=9.12.4.38
  26. Affected versionversion=9.12.4.39
  27. Affected versionversion=9.12.4.4
  28. Affected versionversion=9.12.4.40
  29. Affected versionversion=9.12.4.41
  30. Affected versionversion=9.12.4.47
  31. Affected versionversion=9.12.4.48
  32. Affected versionversion=9.12.4.50
  33. Affected versionversion=9.12.4.52
  34. Affected versionversion=9.12.4.54
  35. Affected versionversion=9.12.4.55
  36. Affected versionversion=9.12.4.56
  37. Affected versionversion=9.12.4.58
  38. Affected versionversion=9.12.4.62
  39. Affected versionversion=9.12.4.65
  40. Affected versionversion=9.12.4.67
  41. Affected versionversion=9.12.4.7
  42. Affected versionversion=9.12.4.8
  43. Affected versionversion=9.14.1
  44. Affected versionversion=9.14.1.10
  45. Affected versionversion=9.14.1.15
  46. Affected versionversion=9.14.1.19
  47. Affected versionversion=9.14.1.30
  48. Affected versionversion=9.14.1.6
  49. Affected versionversion=9.14.2
  50. Affected versionversion=9.14.2.13
  51. Affected versionversion=9.14.2.15
  52. Affected versionversion=9.14.2.4
  53. Affected versionversion=9.14.2.8
  54. Affected versionversion=9.14.3
  55. Affected versionversion=9.14.3.1
  56. Affected versionversion=9.14.3.11
  57. Affected versionversion=9.14.3.13
  58. Affected versionversion=9.14.3.15
  59. Affected versionversion=9.14.3.18
  60. Affected versionversion=9.14.3.9
  61. Affected versionversion=9.14.4
  62. Affected versionversion=9.14.4.12
  63. Affected versionversion=9.14.4.13
  64. Affected versionversion=9.14.4.14
  65. Affected versionversion=9.14.4.15
  66. Affected versionversion=9.14.4.17
  67. Affected versionversion=9.14.4.22
  68. Affected versionversion=9.14.4.23
  69. Affected versionversion=9.14.4.24
  70. Affected versionversion=9.14.4.6
  71. Affected versionversion=9.14.4.7
  72. Affected versionversion=9.15.1
  73. Affected versionversion=9.15.1.1
  74. Affected versionversion=9.15.1.10
  75. Affected versionversion=9.15.1.15
  76. Affected versionversion=9.15.1.16
  77. Affected versionversion=9.15.1.17
  78. Affected versionversion=9.15.1.21
  79. Affected versionversion=9.15.1.7
  80. Affected versionversion=9.16.1
  81. Affected versionversion=9.16.1.28
  82. Affected versionversion=9.16.2
  83. Affected versionversion=9.16.2.11
  84. Affected versionversion=9.16.2.13
  85. Affected versionversion=9.16.2.14
  86. Affected versionversion=9.16.2.3
  87. Affected versionversion=9.16.2.7
  88. Affected versionversion=9.16.3
  89. Affected versionversion=9.16.3.14
  90. Affected versionversion=9.16.3.15
  91. Affected versionversion=9.16.3.19
  92. Affected versionversion=9.16.3.23
  93. Affected versionversion=9.16.3.3
  94. Affected versionversion=9.16.4
  95. Affected versionversion=9.16.4.14
  96. Affected versionversion=9.16.4.18
  97. Affected versionversion=9.16.4.19
  98. Affected versionversion=9.16.4.27
  99. Affected versionversion=9.16.4.38
  100. Affected versionversion=9.16.4.39
  101. Affected versionversion=9.16.4.42
  102. Affected versionversion=9.16.4.48
  103. Affected versionversion=9.16.4.55
  104. Affected versionversion=9.16.4.57
  105. Affected versionversion=9.16.4.9
  106. Affected versionversion=9.17.1
  107. Affected versionversion=9.17.1.10
  108. Affected versionversion=9.17.1.11
  109. Affected versionversion=9.17.1.13
  110. Affected versionversion=9.17.1.15
  111. Affected versionversion=9.17.1.20
  112. Affected versionversion=9.17.1.30
  113. Affected versionversion=9.17.1.33
  114. Affected versionversion=9.17.1.39
  115. Affected versionversion=9.17.1.7
  116. Affected versionversion=9.17.1.9
  117. Affected versionversion=9.18.1
  118. Affected versionversion=9.18.1.3
  119. Affected versionversion=9.18.2
  120. Affected versionversion=9.18.2.5
  121. Affected versionversion=9.18.2.7
  122. Affected versionversion=9.18.2.8
  123. Affected versionversion=9.18.3
  124. Affected versionversion=9.18.3.39
  125. Affected versionversion=9.18.3.46
  126. Affected versionversion=9.18.3.53
  127. Affected versionversion=9.18.3.55
  128. Affected versionversion=9.18.3.56
  129. Affected versionversion=9.18.4
  130. Affected versionversion=9.18.4.22
  131. Affected versionversion=9.18.4.5
  132. Affected versionversion=9.18.4.8
  133. Affected versionversion=9.19.1
  134. Affected versionversion=9.19.1.12
  135. Affected versionversion=9.19.1.18
  136. Affected versionversion=9.19.1.22
  137. Affected versionversion=9.19.1.24
  138. Affected versionversion=9.19.1.27
  139. Affected versionversion=9.19.1.28
  140. Affected versionversion=9.19.1.5
  141. Affected versionversion=9.19.1.9
  142. Affected versionversion=9.20.1
  143. Affected versionversion=9.20.1.5
  144. Affected versionversion=9.20.2
  145. Affected versionversion=9.20.2.10
  146. Affected versionversion=9.8.1
  147. Affected versionversion=9.8.1.5
  148. Affected versionversion=9.8.1.7
  149. Affected versionversion=9.8.2
  150. Affected versionversion=9.8.2.14
  151. Affected versionversion=9.8.2.15
  152. Affected versionversion=9.8.2.17
  153. Affected versionversion=9.8.2.20
  154. Affected versionversion=9.8.2.24
  155. Affected versionversion=9.8.2.26
  156. Affected versionversion=9.8.2.28
  157. Affected versionversion=9.8.2.33
  158. Affected versionversion=9.8.2.35
  159. Affected versionversion=9.8.2.38
  160. Affected versionversion=9.8.2.45
  161. Affected versionversion=9.8.2.8
  162. Affected versionversion=9.8.3
  163. Affected versionversion=9.8.3.11
  164. Affected versionversion=9.8.3.14
  165. Affected versionversion=9.8.3.16
  166. Affected versionversion=9.8.3.18
  167. Affected versionversion=9.8.3.21
  168. Affected versionversion=9.8.3.26
  169. Affected versionversion=9.8.3.29
  170. Affected versionversion=9.8.3.8
  171. Affected versionversion=9.8.4
  172. Affected versionversion=9.8.4.10
  173. Affected versionversion=9.8.4.12
  174. Affected versionversion=9.8.4.15
  175. Affected versionversion=9.8.4.17
  176. Affected versionversion=9.8.4.20
  177. Affected versionversion=9.8.4.22
  178. Affected versionversion=9.8.4.25
  179. Affected versionversion=9.8.4.26
  180. Affected versionversion=9.8.4.29
  181. Affected versionversion=9.8.4.3
  182. Affected versionversion=9.8.4.32
  183. Affected versionversion=9.8.4.33
  184. Affected versionversion=9.8.4.34
  185. Affected versionversion=9.8.4.35
  186. Affected versionversion=9.8.4.39
  187. Affected versionversion=9.8.4.40
  188. Affected versionversion=9.8.4.41
  189. Affected versionversion=9.8.4.43
  190. Affected versionversion=9.8.4.44
  191. Affected versionversion=9.8.4.45
  192. Affected versionversion=9.8.4.46
  193. Affected versionversion=9.8.4.48
  194. Affected versionversion=9.8.4.7
  195. Affected versionversion=9.8.4.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Adaptive Security Appliance (ASA) Softwareversion=9.12.1; version=9.12.1.2; version=9.12.1.3; version=9.12.2; version=9.12.2.1; version=9.12.2.4; version=9.12.2.5; version=9.12.2.9; version=9.12.3; version=9.12.3.12; version=9.12.3.2; version=9.12.3.7; version=9.12.3.9; version=9.12.4; version=9.12.4.10; version=9.12.4.13; version=9.12.4.18; version=9.12.4.2; version=9.12.4.24; version=9.12.4.26; version=9.12.4.29; version=9.12.4.30; version=9.12.4.35; version=9.12.4.37; version=9.12.4.38; version=9.12.4.39; version=9.12.4.4; version=9.12.4.40; version=9.12.4.41; version=9.12.4.47; version=9.12.4.48; version=9.12.4.50; version=9.12.4.52; version=9.12.4.54; version=9.12.4.55; version=9.12.4.56; version=9.12.4.58; version=9.12.4.62; version=9.12.4.65; version=9.12.4.67; version=9.12.4.7; version=9.12.4.8; version=9.14.1; version=9.14.1.10; version=9.14.1.15; version=9.14.1.19; version=9.14.1.30; version=9.14.1.6; version=9.14.2; version=9.14.2.13; version=9.14.2.15; version=9.14.2.4; version=9.14.2.8; version=9.14.3; version=9.14.3.1; version=9.14.3.11; version=9.14.3.13; version=9.14.3.15; version=9.14.3.18; version=9.14.3.9; version=9.14.4; version=9.14.4.12; version=9.14.4.13; version=9.14.4.14; version=9.14.4.15; version=9.14.4.17; version=9.14.4.22; version=9.14.4.23; version=9.14.4.24; version=9.14.4.6; version=9.14.4.7; version=9.15.1; version=9.15.1.1; version=9.15.1.10; version=9.15.1.15; version=9.15.1.16; version=9.15.1.17; version=9.15.1.21; version=9.15.1.7; version=9.16.1; version=9.16.1.28; version=9.16.2; version=9.16.2.11; version=9.16.2.13; version=9.16.2.14; version=9.16.2.3; version=9.16.2.7; version=9.16.3; version=9.16.3.14; version=9.16.3.15; version=9.16.3.19; version=9.16.3.23; version=9.16.3.3; version=9.16.4; version=9.16.4.14; version=9.16.4.18; version=9.16.4.19; version=9.16.4.27; version=9.16.4.38; version=9.16.4.39; version=9.16.4.42; version=9.16.4.48; version=9.16.4.55; version=9.16.4.57; version=9.16.4.9; version=9.17.1; version=9.17.1.10; version=9.17.1.11; version=9.17.1.13; version=9.17.1.15; version=9.17.1.20; version=9.17.1.30; version=9.17.1.33; version=9.17.1.39; version=9.17.1.7; version=9.17.1.9; version=9.18.1; version=9.18.1.3; version=9.18.2; version=9.18.2.5; version=9.18.2.7; version=9.18.2.8; version=9.18.3; version=9.18.3.39; version=9.18.3.46; version=9.18.3.53; version=9.18.3.55; version=9.18.3.56; version=9.18.4; version=9.18.4.22; version=9.18.4.5; version=9.18.4.8; version=9.19.1; version=9.19.1.12; version=9.19.1.18; version=9.19.1.22; version=9.19.1.24; version=9.19.1.27; version=9.19.1.28; version=9.19.1.5; version=9.19.1.9; version=9.20.1; version=9.20.1.5; version=9.20.2; version=9.20.2.10; version=9.8.1; version=9.8.1.5; version=9.8.1.7; version=9.8.2; version=9.8.2.14; version=9.8.2.15; version=9.8.2.17; version=9.8.2.20; version=9.8.2.24; version=9.8.2.26; version=9.8.2.28; version=9.8.2.33; version=9.8.2.35; version=9.8.2.38; version=9.8.2.45; version=9.8.2.8; version=9.8.3; version=9.8.3.11; version=9.8.3.14; version=9.8.3.16; version=9.8.3.18; version=9.8.3.21; version=9.8.3.26; version=9.8.3.29; version=9.8.3.8; version=9.8.4; version=9.8.4.10; version=9.8.4.12; version=9.8.4.15; version=9.8.4.17; version=9.8.4.20; version=9.8.4.22; version=9.8.4.25; version=9.8.4.26; version=9.8.4.29; version=9.8.4.3; version=9.8.4.32; version=9.8.4.33; version=9.8.4.34; version=9.8.4.35; version=9.8.4.39; version=9.8.4.40; version=9.8.4.41; version=9.8.4.43; version=9.8.4.44; version=9.8.4.45; version=9.8.4.46; version=9.8.4.48; version=9.8.4.7; version=9.8.4.8
ClamAV · Cisco Firepower Threat Defenseversion=6.2.3; version=6.2.3.1; version=6.2.3.10; version=6.2.3.11; version=6.2.3.12; version=6.2.3.13; version=6.2.3.14; version=6.2.3.15; version=6.2.3.16; version=6.2.3.17; version=6.2.3.18; version=6.2.3.2; version=6.2.3.3; version=6.2.3.4; version=6.2.3.5; version=6.2.3.6; version=6.2.3.7; version=6.2.3.8; version=6.2.3.9; version=6.4.0; version=6.4.0.1; version=6.4.0.10; version=6.4.0.11; version=6.4.0.12; version=6.4.0.13; version=6.4.0.14; version=6.4.0.15; version=6.4.0.16; version=6.4.0.17; version=6.4.0.18; version=6.4.0.2; version=6.4.0.3; version=6.4.0.4; version=6.4.0.5; version=6.4.0.6; version=6.4.0.7; version=6.4.0.8; version=6.4.0.9; version=6.6.0; version=6.6.0.1; version=6.6.1; version=6.6.3; version=6.6.4; version=6.6.5; version=6.6.5.1; version=6.6.5.2; version=6.6.7; version=6.6.7.1; version=6.6.7.2; version=6.7.0; version=6.7.0.1; version=6.7.0.2; version=6.7.0.3; version=7.0.0; version=7.0.0.1; version=7.0.1; version=7.0.1.1; version=7.0.2; version=7.0.2.1; version=7.0.3; version=7.0.4; version=7.0.5; version=7.0.6; version=7.0.6.1; version=7.0.6.2; version=7.1.0; version=7.1.0.1; version=7.1.0.2; version=7.1.0.3; version=7.2.0; version=7.2.0.1; version=7.2.1; version=7.2.2; version=7.2.3; version=7.2.4; version=7.2.4.1; version=7.2.5; version=7.2.5.1; version=7.2.5.2; version=7.2.6; version=7.2.7; version=7.2.8; version=7.2.8.1; version=7.3.0; version=7.3.1; version=7.3.1.1; version=7.3.1.2; version=7.4.0; version=7.4.1; version=7.4.1.1

Published CVSS scores

7.7CiscoCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1287Improper Validation of Specified Type of Input
T1499Endpoint Denial of Service

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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