CVE-2021-42145 is an assertion failure vulnerability in the check_certificate_request() function of Contiki-NG tinyDTLS, specifically affecting master branch 53a0d97. This flaw allows unauthenticated attackers to trigger a denial of service (DoS) condition. With a CVSS score of 7.5 (High), it presents a significant risk due to its network-based attack vector and low attack complexity, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2018-08-30CPE matchmatch criteria | cpe:2.3:a:contiki-ng:tinydtls:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.