All vulnerabilities
CVE-2024-20353

Cisco ASA and FTD Denial of Service Vulnerability

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)Network & edge
Open in ThreatlineRecord JSON
CVSS
8.6High
ExploitationExploited in the wildAdded to KEV 24 Apr 2024CISA KEV
Exploit odds (EPSS)70.7%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline1 May 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 24 Apr 2024Added to CISA KEVCISA KEV
  2. 24 Apr 2024, 18:15 UTCPublishedCVE List

Description

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition.

Text from CVE List

Affected versions 60

  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.1CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.1.5CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.1.7CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.8CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.14CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.15CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.17CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.20CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.24CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.26CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.28CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.33CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.35CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.2.38CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.8CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.11CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.14CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.16CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.18CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.21CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.26CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.3.29CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4.3CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4.7CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4.8CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4.10CVE List
  • Cisco Adaptive Security Appliance (ASA) Softwareaffected: 9.8.4.12CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.1CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.2CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.3CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.4CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.5CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.6CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.7CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.8CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.10CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.11CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.9CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.12CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.13CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.14CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.15CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.16CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.17CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.2.3.18CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.0CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.0.1CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.1CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.3CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.4CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.5CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.5.1CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.5.2CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.7CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.6.7.1CVE List
  • Cisco Firepower Threat Defense Softwareaffected: 6.4.0CVE List

References 4