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, and Cisco UCS 9108 100G Fabric Interconnects could allow an authenticated, local attacker access to sensitive information. This vulnerability is due to improper logging of sensitive information. An attacker could exploit this vulnerability by accessing log files on the file system where they are stored. A successful exploit could allow the attacker to access sensitive information, such as stored credentials.
Vulnerability class: Information Disclosure
EPSS: 0.001 (3.2th 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.