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CVE-2021-2471GHSA-W6F2-8WX4-47R5

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J).

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 8.0.27
3 proofs of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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).

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Oracle Corporation MySQL Connectors

    Version range not reported

  • mysql:mysql-connector-javaMaven

    From 8.0.0 · fixed in 8.0.27

References 5

oracle.com

GitHub · DrunkenShells/CVE-2021-2471

GitHub · SecCoder-Security-Lab/jdbc-sqlxml-xxe

GitHub · cckuailong/CVE-2021-2471