CVE-2018-0147Actively exploitedAdded to KEV 2022-03-25

Cisco Secure Access Control System Java Deserialization Vulnerability

Cisco, Secure Access Control System (ACS)

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.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

High

18.2%

estimated chance of real-world exploitation in the next 30 days, higher than 97.2% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-04-15

CWE-20

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