What is CVE-2025-20142?

CVE-2025-20142 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-03-12.

How severe is CVE-2025-20142?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Cisco Ios Xr Software

CVE-2025-20142

A vulnerability in the IPv4 access control list (ACL) feature and quality of service (QoS) policy feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xr Software — versions 7.1.15, 7.1.2, 6.7.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cisco-sa-ipv4uni-LfM3cfBu
Crafting endless AS-PATHS in BGP

Frequently asked questions

What is CVE-2025-20142?: CVE-2025-20142 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-03-12.
How severe is CVE-2025-20142?: High severity. CVSS v3 base score is 8.6 out of 10.