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MEDIUM · 5.8

CVE-2024-20322

A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a confi...

Vulnerability Description

A vulnerability in the access control list (ACL) processing on Pseudowire 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.

CVSS Score

5.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
CiscoIos Xr7.10.2
Cisco8011-4G24Y4H-I-
Cisco8101-32Fh-
Cisco8101-32Fh-O-
Cisco8101-32H-O-
Cisco8102-28Fh-Dpu-O-
Cisco8102-64H-
Cisco8102-64H-O-
Cisco8111-32Eh-O-
Cisco8122-64Eh-O-
Cisco8122-64Ehf-O-
Cisco8201-
Cisco8201-24H8Fh-
Cisco8201-32Fh-
Cisco8201-32Fh-O-
Cisco8202-
Cisco8202-32Fh-M-
Cisco8212-48Fh-M-
Cisco8404-
Cisco8501-Sys-Mt-

Related Weaknesses (CWE)

CWE-284

References

FAQ

What is CVE-2024-20322?

CVE-2024-20322 is a vulnerability with a CVSS score of 5.8 (MEDIUM). A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a confi...

How severe is CVE-2024-20322?

CVE-2024-20322 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-20322?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr, Cisco 8011-4G24Y4H-I, Cisco 8101-32Fh, Cisco 8101-32Fh-O, Cisco 8101-32H-O.