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01 Record

CVE-2025-20144

Cisco IOS XR Software Access Control List Bypass Vulnerability

MediumPUBLISHEDCNA: cisco
CNA base score4.0 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
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02 Description

Cisco IOS XR Software Access Control List Bypass Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.34% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 28.1% of scored records. A rank, not a probability.
NVD base score
5.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-03-12 16:12Z1 YR AGO
Last updated
2025-03-21 20:33Z1 YR AGO
Reserved
2024-10-10
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Medium (CVSS 4.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Weaknesses
  • CWE-284Improper Access ControlPillar
Data version
5.1
Document digest
a1787a8480ef776ebd5e6134fc65e158b783c2578dc57ccd5a54d5c1494c126a

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco IOS XR Software6.5.3, 6.5.2, 6.5.92, 6.5.1, 6.6.2, 7.0.1, 6.6.25, 6.6.1, 6.5.93, 7.1.1, 7.0.90, 6.6.3, 7.0.2, 7.2.1, 7.1.2, 6.6.4, 7.3.1, 7.4.1, 7.2.2, 7.3.2, 7.5.1, 7.6.1, 7.5.2, 7.7.1, 7.3.3, 7.4.2, 7.3.4, 7.6.2, 7.8.1, 7.5.3, 7.7.2, 7.9.1, 7.8.2, 7.5.4, 7.8.22, 7.10.1, 7.7.21, 7.9.2, 7.3.5, 7.5.5, 7.11.1, 7.10.2, 7.3.6—

06 References