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CVE-2018-0147

Published: Mar 8, 2018Updated: Jan 14, 2026 Sources: CVE List NVD BDUCWE-20
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
18.6%
Top 3.1%
CISA KEV
Active Exploitation
Since Mar 25, 2022
Exploits
No Known Exploits
Remediation
Patch Available

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 Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20CWE-502

Affected Products

Cisco Secure Access Control Systemn/a
secure access control systemciscoNetworking Infrastructure
Cisco Secure Access Control SystemCisco Systems Inc.Networking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 25, 2022
Remediation due:Apr 15, 2022

Required action: Apply updates per vendor instructions.

Official Patch Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

http://www.securitytracker.com/id/1040463
securitytracker.com
http://www.securityfocus.com/bid/103328
securityfocus.com
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-acs2
tools.cisco.com
and 4 more references View all →

Timeline

Published
Mar 8, 2018
Added to CISA KEV
Mar 25, 2022
Last Updated
Jan 14, 2026

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