CVE-2021-25220

    Dashboard / Vulnerabilities / CVE-2021-25220

    CVE-2021-25220

    Published: 23 Mar 2022Last Modified: 7 Aug 2026

    Summary:

    Details: BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 1477c19dd9a347ee19a42dac227f299a4680506f

    Affected versions

    v9.11.16
    v9.11.14
    v9.11.11
    v9.11.9
    v9.11.7
    v9.11.6
    v9.11.6rc1
    v9.11.4

    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-2021-25220 | CVE-DB