Vulnerability in Cisco Nx-os Software
CVE-2025-20241
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, ad…
EPSS: 0.001 (16.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Nx-os Software — versions 9.2(3), 7.0(3)I5(2), 6.0(2)A8(7a)
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-20241?
- CVE-2025-20241 is a high-severity vulnerability in Cisco Nx-os Software, classified under CWE-733. CVSS score: 7.4/10. Published 2025-08-27.
- How severe is CVE-2025-20241?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2025-20241 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.