CVE-2026-20146

MEDIUM

Cisco Identity Services Engine Path Traversal Vulnerability

Title source: cna
STIX 2.1

Description

A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials.  This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files or delete arbitrary files on the affected system.

Scores

CVSS v3 5.5
EPSS 0.0034
EPSS Percentile 26.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (48)
Cisco/Cisco Identity Services Engine Software 3.1.0
Cisco/Cisco Identity Services Engine Software 3.1.0 p1
Cisco/Cisco Identity Services Engine Software 3.1.0 p10
Cisco/Cisco Identity Services Engine Software 3.1.0 p2
Cisco/Cisco Identity Services Engine Software 3.1.0 p3
Cisco/Cisco Identity Services Engine Software 3.1.0 p4
Cisco/Cisco Identity Services Engine Software 3.1.0 p5
Cisco/Cisco Identity Services Engine Software 3.1.0 p6
Cisco/Cisco Identity Services Engine Software 3.1.0 p7
Cisco/Cisco Identity Services Engine Software 3.1.0 p8
... and 38 more
Published Jul 15, 2026
Tracked Since Jul 15, 2026