Open Redirect in Cisco Unified Computing System E-Series Software (Ucse)
CVE-2025-20317
A vulnerability in the Virtual Keyboard Video Monitor (vKVM) connection handling of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to redirect a user to a malicious website. This vulnerability is due to insufficient verification of vKVM endpoints. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious webpage and potentially capture user credentials. Note: The affected vKVM client is also included in Cisco UCS Manager.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (37.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Cisco Unified Computing System E-Series Software (Ucse) — versions 3.2.7, 3.2.6, 3.2.4
- Cisco Unified Computing System (Managed) — versions 4.0(1a), 3.2(3n), 4.1(1a)
- Cisco Unified Computing System (Standalone) — versions 2.0(1a), 4.0(2g), 2.0(13f)
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-20317?
- CVE-2025-20317 is a high-severity vulnerability in Cisco Unified Computing System E-Series Software (Ucse), classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2025-08-27.
- How severe is CVE-2025-20317?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2025-20317 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.