CVE-2018-0147
CISA KEVPublished March 25, 2022 · Updated April 3, 2026
high
Official Description+
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.
Affected Products
| Vendor | Product |
|---|---|
| Cisco | Secure Access Control System (ACS) |
Patch Status
Patch by 2022-04-15
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2018-0147.