What is CVE-2023-24821?

CVE-2023-24821 is a high-severity vulnerability in Riot-os Riot, classified under Integer Underflow. CVSS score: 7.5/10. Published 2023-04-24.

How severe is CVE-2023-24821?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Riot-os Riot

CVE-2023-24821

RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2022.10, an attacker can send a crafted frame to the device resulting in a large o…

EPSS: 0.005 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Riot-os Riot — versions < 2022.10

Weakness classification (CWE)

References

https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2fpr-82xr-p887 (x_refsource_CONFIRM)
https://github.com/RIOT-OS/RIOT/pull/18817/commits/9728f727e75d7d78dbfb5918e0de1b938b7b6d2c (x_refsource_MISC)
https://github.com/RIOT-OS/RIOT/pull/18820/commits/bd31010231f5340e21410595dd95afc86bbfd341 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-24821?: CVE-2023-24821 is a high-severity vulnerability in Riot-os Riot, classified under Integer Underflow. CVSS score: 7.5/10. Published 2023-04-24.
How severe is CVE-2023-24821?: High severity. CVSS v3 base score is 7.5 out of 10.