CVE-2021-27427

HIGH

RIOT OS <2020.01.1 - Memory Corruption

Title source: llm
STIX 2.1

Description

RIOT OS version 2020.01.1 is vulnerable to integer wrap-around in its implementation of calloc function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
Product, Third Party Advisory x_refsource_confirm
https://github.com/RIOT-OS/RIOT

Scores

CVSS v3 7.3
EPSS 0.0146
EPSS Percentile 70.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-190
Status published
Products (1)
riot-os/riot 2020.01.1
Published May 03, 2022
Tracked Since Feb 18, 2026