CVE-2021-27427 describes an integer wrap-around vulnerability in the calloc function of RIOT OS version 2020.01.1. This flaw allows for arbitrary memory allocation, potentially leading to system crashes or remote code execution. With a CVSS score of 9.8 (Critical), this vulnerability can be exploited remotely with low complexity and no user interaction, posing a significant risk to confidentiality, integrity, and availability. Despite its critical severity, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2020.01.1CPE matchmatch criteria | cpe:2.3:o:riot-os:riot:2020.01.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.