CVE-2021-31571 is a critical integer overflow vulnerability (CWE-190) in the queue.c component of the Amazon Web Services FreeRTOS kernel, affecting versions prior to 10.4.3. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability with low attack complexity. While there is no known active exploitation or publicly available exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.4.3CPE matchmatch criteria | cpe:2.3:o:amazon:freertos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.