Cisco Adaptive Security Appliance (ASA) Denial-of-Service Vulnerability (CVE-2018-0296)
Severity: high · Patch status: patched · Since 2021-11-03 · CVE-2018-0296
Cisco Adaptive Security Appliance (ASA) contains an improper input validation vulnerability with HTTP URLs. Exploitation could allow an attacker to cause a denial-of-service (DoS) condition or information disclosure. CISA added CVE-2018-0296 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch