Cisco ASA and FTD Denial of Service Vulnerability (CVE-2024-20353)
Severity: high · Patch status: unknown · Since 2024-04-24 · CVE-2024-20353
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition. CISA added CVE-2024-20353 to its Known Exploited Vulnerabilities catalog on Apr 24, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by May 1, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
