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CVE-2021-2471

CVE-2021-2471

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).

CVSS 5.9 · Medium · EPSS 7.5% · Public exploit · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mysql connectors

    Versions
    • 8.0.26 and prior: Affected

    No fix published

  • mysql-5.5 Ubuntu:14.04:LTS

    Versions
    • 5.5.32-0ubuntu7
    • 5.5.34-0ubuntu1
    • 5.5.34-0ubuntu2
    • 5.5.35-0ubuntu1
    • 5.5.35+dfsg-1ubuntu1
    • 5.5.37-0ubuntu0.14.04.1
    • 5.5.38-0ubuntu0.14.04.1
    • 5.5.40-0ubuntu0.14.04.1
    • 5.5.41-0ubuntu0.14.04.1
    • 5.5.43-0ubuntu0.14.04.1
    • 5.5.44-0ubuntu0.14.04.1
    • 5.5.46-0ubuntu0.14.04.2
    • 5.5.47-0ubuntu0.14.04.1
    • 5.5.49-0ubuntu0.14.04.1
    • 5.5.50-0ubuntu0.14.04.1
    • 5.5.52-0ubuntu0.14.04.1
    • 5.5.53-0ubuntu0.14.04.1
    • 5.5.54-0ubuntu0.14.04.1
    • 5.5.55-0ubuntu0.14.04.1
    • 5.5.57-0ubuntu0.14.04.1
    • 5.5.58-0ubuntu0.14.04.1
    • 5.5.59-0ubuntu0.14.04.1
    • 5.5.60-0ubuntu0.14.04.1
    • 5.5.61-0ubuntu0.14.04.1
    • 5.5.62-0ubuntu0.14.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • percona-server-5.6 Ubuntu:16.04:LTS

    Versions
    • 5.6.22-rel71.0-0ubuntu2
    • 5.6.22-rel71.0-0ubuntu4
    • 5.6.22-rel71.0-0ubuntu4.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • percona-xtradb-cluster-5.6 Ubuntu:16.04:LTS

    Versions
    • 5.6.21-25.8-0ubuntu2
    • 5.6.21-25.8-0ubuntu3
    • 5.6.21-25.8-0ubuntu3.1
    • 5.6.21-25.8-0ubuntu3.2
    • 5.6.34-26.19-0ubuntu0.16.04.1
    • 5.6.34-26.19-0ubuntu0.16.04.2
    • 5.6.37-26.21-0ubuntu0.16.04.1
    • 5.6.37-26.21-0ubuntu0.16.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mysql-8.0 Ubuntu:20.04:LTS

    Versions
    • 8.0.17-0ubuntu2
    • 8.0.17-0ubuntu3
    • 8.0.18-0ubuntu3
    • 8.0.18-0ubuntu4
    • 8.0.18-0ubuntu5
    • 8.0.19-0ubuntu2
    • 8.0.19-0ubuntu3
    • 8.0.19-0ubuntu4
    • 8.0.19-0ubuntu5
    • 8.0.20-0ubuntu0.20.04.1
    • 8.0.21-0ubuntu0.20.04.3
    • 8.0.21-0ubuntu0.20.04.4
    • 8.0.22-0ubuntu0.20.04.2
    • 8.0.22-0ubuntu0.20.04.3
    • 8.0.23-0ubuntu0.20.04.1
    • 8.0.25-0ubuntu0.20.04.1
    • 8.0.26-0ubuntu0.20.04.2
    • 8.0.26-0ubuntu0.20.04.3
    Affected ranges
    • ECOSYSTEM: < 8.0.27-0ubuntu0.20.04.1

    Update to 8.0.27-0ubuntu0.20.04.1

  • mysql-8.0 Ubuntu:22.04:LTS

    Versions
    • 8.0.26-0ubuntu1
    Affected ranges
    • ECOSYSTEM: < 8.0.27-0ubuntu0.21.10.1

    Update to 8.0.27-0ubuntu0.21.10.1

Original sources

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