CVE-2021-42141

EPSS 0.12%
Published 22.01.2024 23:15:08
Last modified 20.06.2025 19:15:21
Source cve@mitre.org
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An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.

Affected products Warnungen 0 Metrics 3 CWE 1 References 7

Data is provided by the National Vulnerability Database (NVD)

Contiki-ng ≫ Tinydtls Version <= 2018-08-30

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.12%	0.317

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0	7.5	3.9	3.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-755 Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html

Third Party Advisory

VDB Entry

https://github.com/contiki-ng/tinydtls/issues/27

Patch

https://seclists.org/fulldisclosure/2024/Jan/14

Third Party Advisory

Mailing List

http://seclists.org/fulldisclosure/2024/Jan/14

https://nvd.nist.gov/vuln/detail/CVE-2021-42141

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-42141

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-42141

EUVD