Cisco Secure Access Control System Java Deserialization Vulnerability (CVE-2018-0147)
Severity: critical · Patch status: patched · Since 2022-03-25 · CVE-2018-0147
A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. CISA added CVE-2018-0147 to its Known Exploited Vulnerabilities catalog on Mar 25, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 15, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
