Cisco IOS XR Software Access Control List Bypass Vulnerability (Cisco Cisco IOS XR Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.35 % · percentile 28 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Analyzed
Description
A vulnerability in the hybrid access control list (ACL) processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass a configured ACL on the affected device. For more information, see the section of this advisory. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.
Weaknesses (CWE)
- CWE-284 — Improper Access Control
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 4.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-7290
- GCVE · GCVE-0-2025-20144
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:ios_xr:6.5.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.5.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.5.92:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.5.93:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.4:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.0.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.0.90:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.1.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.1.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.2.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.2.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.4:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.5:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.3.6:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.4.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.4.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.5.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.5.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.5.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.5.4:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.5.5:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.6.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.6.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.7.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.7.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.7.21:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.8.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.8.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.8.22:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.9.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.9.2:*:*:*:*:*:*:*- +3 more
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco IOS XR Software | affected 6.5.3 ; affected 6.5.2 ; affected 6.5.92 ; affected 6.5.1 ; affected 6.6.2 ; affected 7.0.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |