Insecure Deserialization Vulnerability in Cisco Secure Access Control System
CVE-2018-0147

9.8CRITICAL

Key Information:

Vendor
Cisco
Status
Cisco Secure Access Control System
Vendor
CVE Published:
8 March 2018

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

A vulnerability exists in the Java deserialization process utilized by Cisco Secure Access Control System (ACS) versions prior to 5.8 patch 9. This flaw allows an unauthenticated, remote attacker to craft and send a serialized Java object, potentially leading to the execution of arbitrary commands with root privileges on the affected device. Exploiting this issue could compromise system integrity and grant attackers unauthorized access, making it crucial for users to apply necessary patches and updates.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Cisco Secure Access Control System Cisco Secure Access Control System

References

http://www.securitytracker.com/id/1040463
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/103328
vdb-entryx_refsource_BID
https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.