CVE-2018-0147

critical Cisco ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
4.0%
Exploitation probability in 30 days
Top 12% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: March 8, 2018 (2989 days ago)
Last Modified: January 14, 2026
Vendor: Cisco

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2022-03-25
Remediation Due: 2022-04-15 (⚠ 1490d overdue)

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.

CWE

CWE-20

Affected Products

cisco secure access control system

References

🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 tools.cisco.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com