VDB

CVE-2021-2178

CVE-2021-2178 PUBLISHED

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

EPSS 1.34% · 80.4th percentile

Risk Scores

EPSS Score
1.34%
80.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSpercona-server-5.65.6.22-rel71.0-0ubuntu4.1, 0, 5.6.22-rel71.0-0ubuntu2
Ubuntu:16.04:LTSmysql-5.75.7.12-0ubuntu1, 5.7.12-0ubuntu1.1, 5.7.13-0ubuntu0.16.04.2
Ubuntu:16.04:LTSpercona-xtradb-cluster-5.65.6.34-26.19-0ubuntu0.16.04.2, 5.6.37-26.21-0ubuntu0.16.04.1, 5.6.37-26.21-0ubuntu0.16.04.2
Ubuntu:20.04:LTSmysql-8.08.0.20-0ubuntu0.20.04.1, 8.0.21-0ubuntu0.20.04.3, 8.0.21-0ubuntu0.20.04.4
Ubuntu:14.04:LTSmysql-5.55.5.62-0ubuntu0.14.04.1, 0, 5.5.32-0ubuntu7
Ubuntu:18.04:LTSmysql-5.70, 5.7.19-0ubuntu1, 5.7.20-1ubuntu1

Exploit Intelligence

Timeline

  • Apr 20, 2021 CVE Published
  • Apr 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Mar 17, 2025 EPSS Score
  • Apr 3, 2025 PoC Published
  • May 1, 2025 EPSS Score
  • May 4, 2025 EPSS Score
  • May 13, 2025 EPSS Score
  • Jun 1, 2025 EPSS Score
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