CVE-2016-20021

    Dashboard / Vulnerabilities / CVE-2016-20021

    CVE-2016-20021

    Published: 12 Jan 2024Last Modified: 8 Jul 2026

    Summary:

    Details: In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.

    References: https://wiki.gentoo.org/wiki/Portage, https://gitweb.gentoo.org/proj/portage.git/tree/NEWS, https://bugs.gentoo.org/597800

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -526de1fb0b5e177c11d5727a635940ee265bc760

    Affected versions

    portage-3.0.46
    portage-3.0.45.3
    portage-3.0.45.2
    portage-3.0.45.1
    portage-3.0.45
    portage-3.0.44
    portage-3.0.43
    portage-3.0.42
    portage-3.0.41
    portage-3.0.40
    portage-3.0.39
    portage-3.0.38.1
    portage-3.0.37
    portage-3.0.36
    portage-3.0.34
    portage-3.0.33
    portage-3.0.31
    portage-3.0.30
    portage-3.0.29
    portage-3.0.28
    portage-3.0.27
    portage-3.0.26
    portage-3.0.25
    portage-3.0.24
    portage-3.0.23
    portage-3.0.22
    portage-3.0.21
    portage-3.0.20
    portage-3.0.19
    portage-3.0.18
    portage-3.0.17
    portage-3.0.16
    portage-3.0.15
    portage-3.0.14
    portage-3.0.13
    portage-3.0.12
    portage-3.0.11
    portage-3.0.10
    portage-3.0.9
    portage-3.0.8
    portage-3.0.7
    portage-3.0.6
    portage-3.0.5
    portage-3.0.4
    portage-3.0.3
    portage-3.0.2
    portage-3.0.1
    portage-3.0.0

    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-2016-20021 | CVE-DB