What’s Vulnerable › Vulnerabilities

CVE-2021-27698

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-06 · updated 2026-06-17
• Weakness: CWE-120

Description

RIOT-OS 2021.01 contains a buffer overflow vulnerability in /sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c through the _parse_options() function.

Affected products

• RIOT-OS RIOT: 2021.01

References

• https://github.com/RIOT-OS/RIOT/issues/16085
• https://github.com/RIOT-OS/RIOT/issues/16085

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