PT-2024-2339 · Cisco · Cisco Ios Xr

Published 2024-03-13 · Updated 2024-03-13 · CVE-2024-20315

Positive Technologies (AI Summary)

CVSS v3.1

5.8

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)

Description The issue is related to insufficient access control on MPLS interfaces in Cisco IOS XR Software, specifically due to improper assignment of lookup keys to internal interface contexts. This could allow a remote attacker to bypass configured access control lists (ACLs) by sending traffic through an affected device, potentially accessing protected resources.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2024-02287

CVE-2024-20315

Affected Products

Cisco Ios Xr

References · 6

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-acl-bypass-RZU5NL3e · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-acl-bypass-RZU5NL3e#details · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02287 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-20315 · Security Note
• https://twitter.com/CVEnew/status/1767962575990337578 · Twitter Post
• https://vuldb.com/?id.256737 · Note