CWE
326
Advisory Published
Updated

CVE-2021-28093: Weak Encryption

First published: Tue Jul 27 2021(Updated: )

OX Documents before 7.10.5-rev5 has Incorrect Access Control of converted images because hash collisions can occur, due to use of Adler32.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Open-xchange Documents<7.10.5
Open-xchange Documents=7.10.5
Open-xchange Documents=7.10.5-revision1
Open-xchange Documents=7.10.5-revision2
Open-xchange Documents=7.10.5-revision3
Open-xchange Documents=7.10.5-revision4

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Frequently Asked Questions

  • What is the severity of CVE-2021-28093?

    CVE-2021-28093 is classified as a medium severity vulnerability that affects access control of converted images.

  • How do I fix CVE-2021-28093?

    To remediate CVE-2021-28093, update Open-Xchange Documents to version 7.10.5-rev6 or later.

  • What versions are affected by CVE-2021-28093?

    CVE-2021-28093 affects Open-Xchange Documents versions prior to 7.10.5-rev5.

  • What type of vulnerability is CVE-2021-28093?

    CVE-2021-28093 is an improper access control vulnerability due to hash collisions.

  • Can CVE-2021-28093 lead to data exposure?

    Yes, CVE-2021-28093 can potentially allow unauthorized users to access converted images.

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