CVE-2023-20233
Summary
| CVE | CVE-2023-20233 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-09-13 17:15:00 UTC |
| Updated | 2024-01-25 17:15:00 UTC |
| Description | A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incorrect processing of invalid continuity check messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A successful exploit could allow the attacker to cause the CFM service to crash when a user displays information about maintenance end points (MEPs) for peer MEPs on an affected device. |
Risk And Classification
Problem Types: CWE-354
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XR Software Connectivity Fault Management Denial of Service Vulnerability | MISC | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 317358 Cisco Internetwork Operating System (IOS) XR Software Denial of Service (DoS) Vulnerability (cisco-sa-ios-xr-cfm-3pWN8MKt)