CVE-2025-20281

CRITICAL CISA KEV EPSS 99.9%
Published Jun 25, 20251y ago · Modified Jun 17, 20261w ago
10.0 CVSS 3.1
Critical
Find Similar
Published Jun 25, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Jul 28, 2025 11mo ago
KEV Due Aug 18, 2025 316d overdue

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.

CVSS Details

Base Score
10.0
Exploitability
3.9
Impact
6.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 316d
Added
Jul 28, 2025
Due
Aug 18, 2025

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
99.9% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-74

Affected Products 18

VendorProductVersionRange
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.3.0any
ciscoidentity_services_engine3.4.0any
ciscoidentity_services_engine3.4.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.3.0any
ciscoidentity_services_engine_passive_identity_connector3.4.0any
ciscoidentity_services_engine_passive_identity_connector3.4.0any

References 3

  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6
    Vendor Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20281
    US Government Resource
  • zerodayinitiative.com https://www.zerodayinitiative.com/blog/2025/7/24/cve-2025-20281-cisco-ise-api-unauthenticated-remote-code-execution-vulnerability
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.