Incorrect provision of specified functionality in Cisco IOS XR - CVE-2024-20317

 

Incorrect provision of specified functionality in Cisco IOS XR - CVE-2024-20317

Published: September 12, 2024


Vulnerability identifier: #VU97203
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-20317
CWE-ID: CWE-684
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XR

Detailed vulnerability description

A remote attacker can perform a denial of service (DoS) attack.

The vulnerability exists due to improper validation of specific Ethernet frames by Cisco IOS XR Software for various Cisco Network Convergence System (NCS) platforms. A remote attacker can send specially crafted packets through the device and perform a denial of service attack.


How to mitigate CVE-2024-20317

Install update from vendor's website.

Sources