What is CVE-2024-20406?

CVE-2024-20406 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2024-09-11.

How severe is CVE-2024-20406?

High severity. CVSS v3 base score is 7.4 out of 10.

Improper input validation in Cisco Ios Xr Software

CVE-2024-20406

A vulnerability in the segment routing feature for the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a…

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

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xr Software — versions 7.4.1, 6.8.1, 7.4.15
Cisco Ios_xr

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20406?: CVE-2024-20406 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2024-09-11.
How severe is CVE-2024-20406?: High severity. CVSS v3 base score is 7.4 out of 10.