CVE-2018-0253

high-risk
Published 2018-05-02

A vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected system. Commands executed by the attacker are processed at the targeted user's privilege level. The vulnerability is due to insufficient validation of the Action Message Format (AMF) protocol. An attacker could exploit this vulnerability by sending a crafted AMF message that contains malicious code to a targeted user. A successful exploit could allow the attacker to execute arbitrary commands on the ACS device. This vulnerability affects all releases of Cisco Secure ACS prior to Release 5.8 Patch 7. Cisco Bug IDs: CSCve69037.

Do I need to act?

~
4.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Secure Access Control System
Secure Access Control System
Secure Access Control System
Secure Access Control System
Secure Access Control System
Secure Access Control System
Secure Access Control System
Secure Access Control System

Affected Vendors

Cisco

References (6)

Third Party Advisory http://www.securityfocus.com/bid/104075
Third Party Advisory http://www.securitytracker.com/id/1040808
Vendor Advisory https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2...
Third Party Advisory http://www.securityfocus.com/bid/104075
Third Party Advisory http://www.securitytracker.com/id/1040808
Vendor Advisory https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2...
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 14/34 · Moderate