Vulnerability in Cisco iOS
CVE-2024-20465
A vulnerability in the access control list (ACL) programming of Cisco IOS Software running on Cisco Industrial Ethernet 4000, 4010, and 5000 Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the incorrect handling of IPv4 ACLs on switched virtual interfaces when an administrator enables and disables Resilient Ethernet Protocol (REP). An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
EPSS: 0.004 (34.1th 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 Ios — versions 15.2(8)E5, 15.2(8)E3, 15.2(8)E2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-20465?
- CVE-2024-20465 is a medium-severity vulnerability in Cisco iOS, classified under Improper Access Control. CVSS score: 5.8/10. Published 2024-09-25.
- How severe is CVE-2024-20465?
- Medium severity. CVSS v3 base score is 5.8 out of 10.
- Is CVE-2024-20465 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.