CVE-2018-0147: Cisco Secure Access Control System Java Deserialization Vulnerability

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)18.2% · higher than 97% of CVEs

Exploited in the wildYes

CISA KEVListed Mar 25, 2022

Federal remediation dueApr 15, 2022

Ransomware campaign useNot known

Affected products

Which versions

CS

Cisco Secure Access Control System ·

Cisco Secure Access Control System · source: vendor

SA

Secure Access Control System · Cisco

5.2(0.3) · source: NVD

SA

Secure Access Control System (ACS) · Cisco

All versions, or not specified · source: KEV