CVE-2021-27427
moderate-risk
Published 2022-05-03
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.
Do I need to act?
~
2.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Product
https://github.com/RIOT-OS/RIOT
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
Product
https://github.com/RIOT-OS/RIOT
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
36
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
5/34 · Minimal
Exposure
5/34 · Minimal