CWE
755
Advisory Published
Updated

CVE-2021-42141

First published: Mon Jan 22 2024(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Contiki-NG<=2018-08-30

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Frequently Asked Questions

  • What is the severity of CVE-2021-42141?

    CVE-2021-42141 has a low severity level as it can lead to denial of service under specific conditions.

  • How do I fix CVE-2021-42141?

    To fix CVE-2021-42141, ensure you update to a version of Contiki-NG tinyDTLS released after August 30, 2018, that addresses this vulnerability.

  • What software is affected by CVE-2021-42141?

    CVE-2021-42141 affects Contiki-NG tinyDTLS versions up to and including August 30, 2018.

  • What can happen if CVE-2021-42141 is exploited?

    Exploitation of CVE-2021-42141 can result in a denial of service, disrupting the intended operation of affected applications.

  • Has CVE-2021-42141 been publicly disclosed?

    Yes, CVE-2021-42141 has been publicly disclosed and is documented in various security reports and discussions.

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