CVE-2021-42142

CVSS 8.2 HIGHEPSS 1.0%CWE-770

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.2EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Jan 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

n/a · n/a

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References

http://seclists.org/fulldisclosure/2024/Jan/15 https://github.com/contiki-ng/tinydtls/issues/24 https://seclists.org/fulldisclosure/2024/Jan/15