Detections
Analytics
Cisco Identity Services Engine (cisco-sa-ise-radsupress-dos-8YF3JThh)
high Nessus Plugin ID 274062
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 RADIUS setting Reject RADIUS requests from clients with repeated failures on Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause Cisco ISE to restart unexpectedly. This vulnerability is due to a logic error when processing a RADIUS access request for a MAC address that is already a rejected endpoint. An attacker could exploit this vulnerability by sending a specific sequence of multiple crafted RADIUS access request messages to Cisco ISE. A successful exploit could allow the attacker to cause a denial of service (DoS) condition when Cisco ISE restarts.
(CVE-2025-20343)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwq27605See Also
Plugin Details
Severity: High
ID: 274062
File Name: cisco-sa-ise-radsupress-dos-8YF3JThh.nasl
Version: 1.2
Type: local
Family: CISCO
Published: 11/5/2025
Updated: 11/7/2025
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.1
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2025-20343
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/h:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine_software
Required KB Items: Host/Cisco/ISE/version
Exploit Ease: No known exploits are available
Patch Publication Date: 11/5/2025
Vulnerability Publication Date: 11/5/2025
Reference Information
CVE: CVE-2025-20343