Identity Services Engine

CVE-2023-20166: Cisco Identity Services Engine Path Traversal Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated attacker to perform path traversal attacks on the underlying operating system to either elevate privileges to root or read arbitrary files.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6
EPSS0.22%Chance of exploitation in 30 days
Public exploitNot tracked
FixNot yet

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
Cisco Identity Services Engine Software n/aSee the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated attacker to perform path traversal attacks on the underlying operating system to either elevate privileges to root or read arbitrary files. To exploit these vulnerabilities, an attacker must have valid Administrator credentials on the affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Exploitation

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.

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