CVE detail

CVE-2024-20398 — CVE-2024-20398

Published 2024-09-11 · Modified 2026-06-17 · Vendor cisco · Product ios_xr · Source nvd

HIGH

severity

CVSS-derived band

8.8

CVSS v3

0–10 scale

0.0021

EPSS probability

exploitation probability, 30d

12.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root.

Remediation

Product	Vulnerable range	Fixed version	Advisory
Cisco Cisco IOS XR Software	—	not specified	advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.