CVE-2018-0147
Actively exploited. CVE-2018-0147 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- A Java deserialization vulnerability could allow remote attackers to execute arbitrary commands.
- Who is affected
- Deployments of Cisco Secure Access Control System (ACS).
- Urgency
- Urgent remediation is necessary as the vulnerability is actively exploited and critical in severity.
- Action
- Implement the recommended security updates from Cisco.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2018-0147: Cisco Secure Access Control System Java Deserialization Vulnerabilitycisa-kev · 2022-03-25
External references
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