3.5
CWE
311 310
Advisory Published
Updated

CVE-2020-8173

First published: Fri Oct 30 2020(Updated: )

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Nextcloud Server<17.0.7
Nextcloud Server>=18.0.0<18.0.5

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Frequently Asked Questions

  • What is the severity of CVE-2020-8173?

    CVE-2020-8173 has been classified as a medium severity vulnerability.

  • How do I fix CVE-2020-8173?

    To fix CVE-2020-8173, upgrade Nextcloud Server to version 18.0.5 or later, or to version 17.0.7 or later.

  • What are the affected versions for CVE-2020-8173?

    CVE-2020-8173 affects Nextcloud Server versions prior to 18.0.5 and all versions below 17.0.7.

  • What type of vulnerability is CVE-2020-8173?

    CVE-2020-8173 is an encryption vulnerability that allows decryption quicker than intended due to a small set of random characters.

  • Is CVE-2020-8173 exploitable?

    Yes, CVE-2020-8173 is exploitable under certain conditions where attackers can leverage the flawed encryption mechanism.

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