USN-6881-1

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    USN-6881-1

    Published: 8 Jul 2024Last Modified: 29 Jun 2026

    Summary: exim4 vulnerability

    Details: It was discovered that Exim did not enforce STARTTLS sync point on client side. An attacker could possibly use this issue to perform response injection during MTA SMTP sending.

    References: https://ubuntu.com/security/notices/USN-6881-1, https://ubuntu.com/security/CVE-2021-38371

    Affected packages

    Package

    Name: exim4

    Purl: pkg:deb/ubuntu/exim4?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.82-3ubuntu2.4+esm8

    Affected versions

    4.80-7ubuntu3

    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
    USN-6881-1 | CVE-DB