4.3
CVSSv2

CVE-2018-15398

Published: 05/10/2018 Updated: 09/10/2019
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 4 | Impact Score: 1.4 | Exploitability Score: 2.2
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Summary

A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote malicious user to bypass an access control list (ACL) that is configured for an interface of an affected device. The vulnerability is due to errors that could occur when the affected software constructs and applies per-user-override rules. An attacker could exploit this vulnerability by connecting to a network through an affected device that has a vulnerable configuration. A successful exploit could allow the malicious user to access resources that are behind the affected device and would typically be protected by the interface ACL.

Vulnerability Trend

Affected Products

Vendor Product Versions
CiscoAdaptive Security Appliance Software9.4(2), 9.4(4), 9.6(4.3)
CiscoFirepower Threat Defense6.2.0

Vendor Advisories

A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass an access control list (ACL) that is configured for an interface of an affected device The vulnerability is due to errors that could occur ...