CVE-2021-31663

7.5 highEPSS 1.6%

High (7.5) in riot-os riot. EPSS 1.6% chance of exploitation in the next 30 days.

RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-11-01)
CWE: CWE-120
Published: 2021-06-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

riot-os:riot

References

https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79
https://github.com/RIOT-OS/RIOT/issues/15927
https://github.com/RIOT-OS/RIOT/pull/15929
https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79
https://github.com/RIOT-OS/RIOT/issues/15927

Check your stack JSON