CWE
326
Advisory Published
Updated

CVE-2021-25761: Weak Encryption

First published: Wed Feb 03 2021(Updated: )

In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
JetBrains Ktor<1.5.0

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Frequently Asked Questions

  • What is CVE-2021-25761?

    CVE-2021-25761 is a vulnerability in JetBrains Ktor before version 1.5.0 that allowed for a birthday attack on SessionStorage key.

  • What is the severity of CVE-2021-25761?

    The severity of CVE-2021-25761 is medium with a severity value of 5.3.

  • How does CVE-2021-25761 affect JetBrains Ktor?

    CVE-2021-25761 affects JetBrains Ktor versions prior to 1.5.0 by making a birthday attack on SessionStorage key possible.

  • How can I fix CVE-2021-25761 in JetBrains Ktor?

    To fix CVE-2021-25761, it is recommended to update JetBrains Ktor to version 1.5.0 or above.

  • Where can I find more information about CVE-2021-25761?

    More information about CVE-2021-25761 can be found in the JetBrains Security Bulletin Q4 2020 on the JetBrains blog.

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