Vulnerability identifier: #VU76295

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20166

CWE-ID: CWE-22

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco Identity Services Engine (ISE)
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the CLI. A local administrator can send a specially crafted HTTP request, escape the restricted shell and gain root privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Identity Services Engine (ISE): 3.2

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External links
http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-traversal-ZTUgMYhu

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.