Detections
Analytics

Cisco Identity Services Engine (cisco-sa-ise-multi-hrP9jQSQ)

critical Nessus Plugin ID 348153

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 the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges.
 (CVE-2026-76423)

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 CSCwu20156, CSCwu26054, CSCwu26055, CSCwu27428, CSCwu39998, CSCwu43502

See Also

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu20156

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu26054

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu26055

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu27428

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu39998

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwu43502

http://www.nessus.org/u?a1e591a8

Plugin Details

Severity: Critical

ID: 348153

File Name: cisco-sa-ise-multi-hrP9jQSQ_CVE-2026-76423.nasl

Version: 1.1

Type: Local

Family: CISCO

Published: 9/18/2026

Updated: 9/18/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.31

CVSS v2

Risk Factor: High

Base Score: 9.7

Temporal Score: 7.2

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

CVSS Score Source: CVE-2026-76423

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

Vulnerability Information

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

Required KB Items: Host/Cisco/ISE/version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

CVE: CVE-2026-76423