7.5
CWE
295
Advisory Published
Updated

CVE-2021-36377

First published: Mon Jul 12 2021(Updated: )

Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Fossil<2.14.2
Fossil>=2.15.0<2.15.2
Fedora=34

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Frequently Asked Questions

  • What is the severity of CVE-2021-36377?

    CVE-2021-36377 has a medium severity level due to the potential for man-in-the-middle attacks resulting from the hostname validation issue.

  • How do I fix CVE-2021-36377?

    To fix CVE-2021-36377, update Fossil to version 2.14.2 or 2.15.2 or later.

  • Which versions of Fossil are affected by CVE-2021-36377?

    CVE-2021-36377 affects Fossil versions before 2.14.2 and 2.15.x before 2.15.2.

  • Can CVE-2021-36377 be exploited on Fedora 34?

    Yes, CVE-2021-36377 is relevant to the version of Fossil included in Fedora 34.

  • What impact does CVE-2021-36377 have on TLS connections?

    CVE-2021-36377 can lead to improper validation of TLS certificates, allowing for security risks in TLS connections.

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