01 Record
CVE-2025-20177
Cisco IOS XR Software Image Verification Bypass Vulnerability
MediumPUBLISHEDCNA: cisco
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
02 Description
Cisco IOS XR Software Image Verification 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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 6.2% of scored records. A rank, not a probability.
- NVD base score
- 6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- 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 16:13Z1 YR AGO
- Last updated
- 2026-02-26 19:09Z8 MO AGO
- Reserved
- 2024-10-10
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-274Improper Handling of Insufficient PrivilegesBase
- Data version
- 5.2
- Document digest
- 6c6204731ac12317202dc69becfeccf35deaff74ea20ff74d9b6d86a07b3ce6e
05 Affected products
VendorProductVersionsPlatforms
CiscoCisco IOS XR Software7.0.1, 7.0.0, 7.1.1, 7.0.90, 6.7.1, 7.0.2, 7.1.15, 7.2.0, 7.2.1, 7.1.2, 6.7.2, 7.0.11, 7.0.12, 7.0.14, 7.1.25, 7.2.12, 7.3.1, 7.1.3, 6.7.3, 7.4.1, 7.2.2, 6.7.4, 7.3.15, 7.3.16, 6.8.1, 7.4.15, 7.3.2, 7.5.1, 7.4.16, 7.3.27, 7.6.1, 7.5.2, 7.8.1, 7.6.15, 7.5.12, 7.3.3, 7.7.1, 6.8.2, 7.3.4, 7.4.2, 6.7.35, 6.9.1, 7.6.2, 7.5.3, 7.7.2, 6.9.2, 7.9.1, 7.10.1, 7.8.2, 7.5.4, 7.8.22, 7.7.21, 7.9.2, 7.3.5, 7.5.5, 7.11.1, 7.9.21, 7.10.2, 24.1.1, 7.6.3, 7.3.6, 7.11.2, 24.2.1, 24.1.2, 24.2.11, 24.3.1, 7.8.23—
06 References
- sec.cloudapps.cisco.comcisco-sa-ios-xr-verii-bypass-HhPwQRvxhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx
- blog.apnic.netCrafting endless AS-PATHS in BGPhttps://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/