CVE-2021-42147

EPSS 0.35%
Published 24.01.2024 19:15:08
Last modified 30.05.2025 15:15:21
Source cve@mitre.org
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Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.

Affected products Warnungen 0 Metrics 3 CWE 1 References 5

Data is provided by the National Vulnerability Database (NVD)

Contiki-ng ≫ Tinydtls Version2018-08-30

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

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.35%	0.569

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	9.1	3.9	5.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0	9.1	3.9	5.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://seclists.org/fulldisclosure/2024/Jan/20

Third Party Advisory

Mailing List

http://seclists.org/fulldisclosure/2024/Jan/20

https://nvd.nist.gov/vuln/detail/CVE-2021-42147

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-42147

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-42147

EUVD