CVE-2022-31138

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    CVE-2022-31138

    Published: 11 Jul 2022Last Modified: 12 Aug 2026

    Summary: OS Command Injection in mailcow

    Details: mailcow is a mailserver suite. Prior to mailcow-dockerized version 2022-06a, an extended privilege vulnerability can be exploited by manipulating the custom parameters regexmess, skipmess, regexflag, delete2foldersonly, delete2foldersbutnot, regextrans2, pipemess, or maxlinelengthcmd to execute arbitrary code. Users should update their mailcow instances with the `update.sh` script in the mailcow root directory to 2022-06a or newer to receive a patch for this issue. As a temporary workaround, the Syncjob ACL can be removed from all mailbox users, preventing changes to those settings.

    References: https://github.com/mailcow/mailcow-dockerized/releases/tag/2022-06a, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31138.json, https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-vx9w-h33p-5vhc, https://nvd.nist.gov/vuln/detail/CVE-2022-31138, https://github.com/mailcow/mailcow-dockerized/commit/d373164e13a14e058f82c9f1918a5612f375a9f9, https://github.com/ly1g3/Mailcow-CVE-2022-31138

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -a835419168394bcbefdafb03de50fa9e6187717a

    Affected versions

    2022-06a

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-31138 | CVE-DB