RCE in Cisco iOS Xr Software
CVE-2024-20398
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Cisco iOS Xr Software — versions 6.5.3, 6.5.29, 6.5.1
- Cisco iOS Xr — versions 6.5.1, 6.5.2, 6.5.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-20398?
- CVE-2024-20398 is a high-severity vulnerability in Cisco iOS Xr Software, classified under OS Command Injection. CVSS score: 8.8/10. Published 2024-09-11.
- How severe is CVE-2024-20398?
- High severity. CVSS v3 base score is 8.8 out of 10.