Cisco IOS XR Software MPLS and Pseudowire Interfaces Access Control List Bypass Vulnerabilities
Multiple vulnerabilities in the IP access control list (ACL) processing in the ingress direction on MPLS and Pseudowire (PW) interfaces of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are workarounds that address CVE-2024-20315. There are no workarounds that address CVE-2024-20322. This advisory is part of the March 2024 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2024 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75299"].
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-20322US | — | — | ||
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 attack… | ||||
| CVE-2024-20315US | — | — | ||
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… | ||||
references
External citations — patches, advisories, analysis.
- Security Vulnerability Policyexternal
- CSCwf99658external
- CSCwh77265external
- Cisco IOS XR Software MPLS and Pseudowire Interfaces Access Control List Bypass Vulnerabilitiesself
- Cisco Security Vulnerability Policyexternal
- considering software upgradesexternal
- Cisco Event Response: March 2024 Semiannual Cisco IOS XR Software Security Advisory Bundled Publicationexternal
- Cisco Security Advisories pageexternal
remediations (2)
- FixedCisco IOS XR Software
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XR Software
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan