Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability (CVE-2018-0154)
Severity: high · Patch status: patched · Since 2022-03-03 · CVE-2018-0154
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial-of-service (DoS) condition. CISA added CVE-2018-0154 to its Known Exploited Vulnerabilities catalog on Mar 3, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Mar 17, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch