PT-2018-2135 · Cisco · Cisco Asa+1

Published 2018-10-03 · Updated 2023-08-11 · CVE-2018-15398

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software (affected versions not specified)

Description A vulnerability in the per-user-override feature could allow an unauthenticated, remote attacker to bypass an access control list (ACL) configured for an interface of an affected device. The issue is due to errors that occur when the software constructs and applies per-user-override rules. An attacker could exploit this by connecting to a network through an affected device with a vulnerable configuration, potentially accessing protected resources behind the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2019-00087

CVE-2018-15398

Affected Products

Cisco Asa

Cisco Ftd

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2018-15398 · Security Note
• https://bdu.fstec.ru/vul/2019-00087 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-acl-bypass · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-15398 · Vendor Advisory
• http://securityfocus.com/bid/105517 · Note
• https://securityfocus.com/bid/105517/info · Note
• http://securitytracker.com/id/1041788 · Note