CVE-2024-20315

Description

A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access resources behind the affected device that were supposed to be protected by a configured ACL.

Category

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Affected: Cisco Cisco IOS XR Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-acl-bypass-RZU5NL3e

Frequently Asked Questions

What is the severity of CVE-2024-20315?
CVE-2024-20315 has been scored as a medium severity vulnerability.
How to fix CVE-2024-20315?
To fix CVE-2024-20315, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-20315 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-20315 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-20315?
CVE-2024-20315 affects Cisco Cisco IOS XR Software.
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