CVE-2023-20191
CVSS V2 None
CVSS V3 None
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 incomplete support for this feature. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
There are workarounds that address this vulnerability.
This advisory is part of the September 2023 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: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .
Overview
- CVE ID
- CVE-2023-20191
- Assigner
- cisco
- Vulnerability Status
- PUBLISHED
- Published Version
- 2023-09-13T16:41:32.625Z
- Last Modified Date
- 2024-01-25T16:57:53.685Z
Weakness Enumerations
References
| Reference URL | Reference Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnx-acl-PyzDkeYF |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2023-20191 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20191 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2024-06-25 07:44:05 | Added to TrackCVE |