Detections
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Cisco Identity Services Engine (cisco-sa-ise-unauth-rce-ZAd2GnJ6)

critical Nessus Plugin ID 240470

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco ISE is affected by a vulnerability.

 - A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device. (CVE-2025-20281)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwo99449, CSCwp02821

See Also

http://www.nessus.org/u?c8410918

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwo99449

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp02821

Plugin Details

Severity: Critical

ID: 240470

File Name: cisco-sa-ise-unauth-rce-ZAd2GnJ6_CVE-2025-20281.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 6/25/2025

Updated: 8/27/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-20281

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:identity_services_engine, cpe:/h:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine_software

Required KB Items: Host/Cisco/ISE/version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/25/2025

Vulnerability Publication Date: 6/25/2025

CISA Known Exploited Vulnerability Due Dates: 8/18/2025

Reference Information

CVE: CVE-2025-20281

CWE: 74

CISCO-SA: cisco-sa-ise-unauth-rce-ZAd2GnJ6

IAVA: 2025-A-0454-S, 2025-A-0533

CISCO-BUG-ID: CSCwo99449, CSCwp02821