What’s Vulnerable › Vulnerabilities

CVE-2021-31663

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-18 · updated 2026-06-17
• Weakness: CWE-120

Description

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

Affected products

• RIOT-OS RIOT: 2021.01

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
• https://github.com/RIOT-OS/RIOT/pull/15929

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