What is CVE-2024-20291?

CVE-2024-20291 is a medium-severity vulnerability in Cisco Nx-os Software, classified under Improper Access Control. CVSS score: 5.8/10. Published 2024-02-29.

How severe is CVE-2024-20291?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Is CVE-2024-20291 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Cisco Nx-os Software

CVE-2024-20291

A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to send traffic that should b…

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Cisco Nx-os Software — versions 9.3(10), 9.3(11), 9.3(12)
Cisco Nexus_3000_in_standalone_nx-os_mode
Cisco Nexus_3048
Cisco Nexus_31108pc-v
Cisco Nexus_31108tc-v
Cisco Nexus_31128pq
Cisco Nexus_3132c-z
Cisco Nexus_3132q-v
Cisco Nexus_3132q-xl
Cisco Nexus_3164q

Weakness classification (CWE)

Public proof-of-concept exploits

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20291?: CVE-2024-20291 is a medium-severity vulnerability in Cisco Nx-os Software, classified under Improper Access Control. CVSS score: 5.8/10. Published 2024-02-29.
How severe is CVE-2024-20291?: Medium severity. CVSS v3 base score is 5.8 out of 10.
Is CVE-2024-20291 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.