Information disclosure in Cisco Nx-os Software
CVE-2025-20290
A vulnerability in the logging feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches, Cisco Nexus 9000 Series Switches in standalone NX-OS mode, Cisco UCS 6400 Fabric Interconnects, Cisco UCS 6500 Series Fabric Interconnects…
Vulnerability class: Information Disclosure
EPSS: 0.000 (9.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Cisco Nx-os Software — versions 9.2(3), 7.0(3)I5(2), 7.0(3)I4(5)
- Cisco Unified Computing System (Managed) — versions 4.0(4c), 4.0(2b), 4.1(2a)
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-20290?
- CVE-2025-20290 is a medium-severity vulnerability in Cisco Nx-os Software, classified under Information Disclosure. CVSS score: 5.5/10. Published 2025-08-27.
- How severe is CVE-2025-20290?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2025-20290 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.