Vulnerability in Cisco Identity Services Engine Software
CVE-2025-20283
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system as root. This vulnerability is due to insufficient validation of user-supplied input. An attacker with valid credentials could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute commands as the root user. To exploit this vulnerability, the attacker must have valid high-privileged credentials.
EPSS: 0.083 (94.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Cisco Identity Services Engine Software — versions 3.3.0, 3.3 Patch 2, 3.3 Patch 1
- Cisco Identity_services_engine — versions 3.3.0, 3.4.0
- Cisco Identity_services_engine_passive_identity_connector — versions 3.3.0, 3.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20283?
- CVE-2025-20283 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.5/10. Published 2025-07-16.
- How severe is CVE-2025-20283?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-20283 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.