What’s Vulnerable › Vulnerabilities

CVE-2021-42144

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-24 · updated 2026-06-17
• Weakness: CWE-125

Description

Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().

Affected products

• Contiki-Ng Tinydtls: through 2018-08-30

References

• https://seclists.org/fulldisclosure/2024/Jan/17
• http://seclists.org/fulldisclosure/2024/Jan/17
• https://seclists.org/fulldisclosure/2024/Jan/17

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