CVE-2025-20337
Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
CVSS v3
10
CRITICAL
EPSS Score
1.0 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
active
SSVC status
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
CISA Known Exploited Vulnerability
- Date Added
- 2025-07-28
- Patch Due Date
- 2025-08-18
- Ransomware Use
- Unknown
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2025-07-16
- Last Modified
- 2025-10-28
Frequently asked questions
What is CVE-2025-20337?
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
Is CVE-2025-20337 actively exploited?
Yes. CVE-2025-20337 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 8/18/2025.
What is the CVSS score for CVE-2025-20337?
CVE-2025-20337 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string 3.1.
Is CVE-2025-20337 affecting your environment?
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