Improper input validation in Cisco Secure Access Control System
CVE-2018-0253
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.070 (93.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Secure_access_control_system — versions 5.8\(0.8\), 5.8, 5.8(0.8)
- N/a Cisco Secure Access Control System — versions Cisco Secure Access Control System
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-0253?
- CVE-2018-0253 is a critical-severity vulnerability in Cisco Secure Access Control System, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-05-02.
- How severe is CVE-2018-0253?
- Critical severity. CVSS v3 base score is 9.8 out of 10.