1. Home
  2. CVE Database
  3. CVE-2021-27697
CRITICAL · 9.8

CVE-2021-27697

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

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Riot-OsRiot2021.01

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-27697?

CVE-2021-27697 is a vulnerability with a CVSS score of 9.8 (CRITICAL). RIOT-OS 2021.01 contains a buffer overflow vulnerability in sys/net/gnrc/routing/rpl/gnrc_rpl_validation.c through the gnrc_rpl_validation_options() function.

How severe is CVE-2021-27697?

CVE-2021-27697 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27697?

Check the references section above for vendor advisories and patch information. Affected products include: Riot-Os Riot.