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CVE-2025-20343 Cisco Identity Services Engine Radius Suppression Denial of Service Vulnerability

🗓️ 05 Nov 2025 16:31:05Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Unauthenticated attacker can crash Cisco Identity Services Engine by crafted radius requests for rejected MACs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Cisco ISE RADIUS DoS
9 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2025-20343
5 Nov 202517:09
–circl
cisco
Cisco
Cisco Identity Services Engine RADIUS Suppression Denial of Service Vulnerability
5 Nov 202516:00
–cisco
nessus
Tenable Nessus
Cisco Identity Services Engine (cisco-sa-ise-radsupress-dos-8YF3JThh)
5 Nov 202500:00
–nessus
cnnvd
CNNVD
Cisco Identity Services Engine security vulnerabilities
5 Nov 202500:00
–cnnvd
cve
CVE
CVE-2025-20343
5 Nov 202516:31
–cve
euvd
EUVD
EUVD-2025-37893
5 Nov 202516:31
–euvd
kitploit
Kitploit
Blackash-CVE-2025-20343
27 Oct 202610:43
–kitploit
ncsc
NCSC
Vulnerability fixed in Cisco Identity Services Engine
6 Nov 202512:36
–ncsc
nvd
NVD
CVE-2025-20343
5 Nov 202517:15
–nvd
Rows per page
[
  {
    "vendor": "Cisco",
    "product": "Cisco Identity Services Engine Software",
    "versions": [
      {
        "version": "3.4.0",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 1",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 2",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 3",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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