CVE-2024-20353

State
Published
Severity
8.6 High
Published
Apr 24, 2024
Updated
Oct 21, 2025
Reserved
Nov 8, 2023

Read the record on cve.org

Description

A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.

Scores

CVSSScoreVectorSource
3.18.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hcisco

Weaknesses

  • CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

Affected Products

ProductVersions
Cisco Adaptive Security Appliance (ASA) SoftwareCisco
  • 9.8.1Affected
  • 9.8.1.5Affected
  • 9.8.1.7Affected
  • 9.8.2Affected
  • 9.8.2.8Affected
  • 9.8.2.14Affected
  • 9.8.2.15Affected
  • 9.8.2.17Affected
  • 9.8.2.20Affected
  • 9.8.2.24Affected
  • 9.8.2.26Affected
  • 9.8.2.28Affected
  • 9.8.2.33Affected
  • 9.8.2.35Affected
  • 9.8.2.38Affected
  • 9.8.3.8Affected
  • 9.8.3.11Affected
  • 9.8.3.14Affected
  • 9.8.3.16Affected
  • 9.8.3.18Affected
  • 9.8.3.21Affected
  • 9.8.3Affected
  • 9.8.3.26Affected
  • 9.8.3.29Affected
  • 9.8.4Affected
  • and 162 more versions
Cisco Firepower Threat Defense SoftwareCisco
  • 6.2.3Affected
  • 6.2.3.1Affected
  • 6.2.3.2Affected
  • 6.2.3.3Affected
  • 6.2.3.4Affected
  • 6.2.3.5Affected
  • 6.2.3.6Affected
  • 6.2.3.7Affected
  • 6.2.3.8Affected
  • 6.2.3.10Affected
  • 6.2.3.11Affected
  • 6.2.3.9Affected
  • 6.2.3.12Affected
  • 6.2.3.13Affected
  • 6.2.3.14Affected
  • 6.2.3.15Affected
  • 6.2.3.16Affected
  • 6.2.3.17Affected
  • 6.2.3.18Affected
  • 6.6.0Affected
  • 6.6.0.1Affected
  • 6.6.1Affected
  • 6.6.3Affected
  • 6.6.4Affected
  • 6.6.5Affected
  • and 55 more versions

References

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