CVE-2018-0147: Cisco Secure Access Control System Java Deserialization Vulnerability
CVE-2018-0147 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25
A Java deserialization vulnerability in Cisco Secure Access Control System (ACS) allows an unauthenticated, remote attacker to execute arbitrary commands with root privileges. The flaw exists due to insecure deserialization of user-supplied content when processing crafted serialized Java objects.
Yes. CVE-2018-0147 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.
How severe is CVE-2018-0147?
Critical severity, with a CVSS score of 9.8, published 25 March 2022.
Which products and versions are affected?
Cisco Secure Access Control System (ACS) Prior to 5.8 patch 9.
Is there a fix for CVE-2018-0147?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-0147 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2018-0147?
Check whether you run Cisco Secure Access Control System (ACS). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Cisco Secure Access Control System (ACS) Prior to 5.8 patch 9
Timeline
2018-03-07: advisory: Cisco published the initial security advisory.
2018-03-08: disclosed: NVD published the CVE entry.
2022-03-25: kev added: CISA added the vulnerability to the Known Exploited Vulnerabilities (KEV) catalog.
2022-03-25: exploited: Vulnerability reported as exploited in the wild.