CVE
CVE-2025-20337
- First Reported
- Aug 25, 2026
- Latest Reported
- Aug 25, 2026
CVE Enrichment
- CVSS
- 10.0 CRITICAL
- EPSS
- 68.00%
- EPSS Percentile
- 99.31%
- CISA KEV
- YES — Known Exploited Vulnerability
Description
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.
Technical Details
- CVSS Version
- 3.1
- CNA / NVD Source
- psirt@cisco.com
- Published
- 17-Jul-2025 00:15
- Last Modified
- 17-Jun-2026 15:41
- EPSS Date
- 2026-10-11
- CWE
- CWE-74
CVSS Vector
CVSS:3.1 AV:N /
AC:L /
PR:N /
UI:N /
S:C /
C:H /
I:H /
A:H
CISA KEV Details
- Date Added
- 2025-07-28
- Remediation Due
- 2025-08-18
- Known Ransomware Campaign Use
- Unknown
- Required Action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Notes
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20337
Affected Products / Versions
- cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:-:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.4.0
cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* - cisco / identity_services_engine
Version / affected range: 3.4.0
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:-:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.3.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.4.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:* - cisco / identity_services_engine_passive_identity_connector
Version / affected range: 3.4.0
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:*
References
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.
Reported Context (1)
- would remain attractive targets. Incidents involving Multer for Node.js, Microsoft SharePoint, CVE-2025-20337, and CVE-2025-5777 reinforced that concern. Cyble Explains How Organizations Can Quantify Cyber Risk in Financial Terms
CVE (1)
Malware (4)
Threat Actors (7)
Vendors (1)
Products (3)
Industries (6)
Countries (4)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.