CVE-2018-0147 Cisco Secure Access Control System Java Deserialization
Unauthenticated remote attackers can execute arbitrary commands with root privileges via insecure Java deserialization in Cisco Secure ACS.
- Exploited in the wild
- Since 25 Mar 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0147?
CVE-2018-0147 is a critical unsafe deserialization vulnerability in Cisco Secure Access Control System, published on 8 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) prior to release 5.8 patch 9 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. An attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary commands on the device with root privileges. Cisco Bug IDs: CSCvh25988.
Which versions are affected by CVE-2018-0147?
It affects 1 product.
Products include Cisco Secure Access Control System.
How do I fix CVE-2018-0147?
No fix has been published for CVE-2018-0147 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 15 Apr 2022.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2018-0147 being exploited?
Yes. Attackers have exploited CVE-2018-0147 in the wild since at least 25 Mar 2022.
Other vulnerabilities in Cisco Secure Access Control System
Sources
Also known as GHSA-2ccw-7gjg-m467.