VDB
CVE-2021-2170
CVE-2021-2170
PUBLISHED
CVSS 4.900000095367432 MEDIUM
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
EPSS 2.07% · 81.2th percentile
Risk Scores
CVSS 3.1
4.900000095367432
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.07%
81.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | percona-server-5.6 | 5.6.22-rel71.0-0ubuntu2, 5.6.22-rel71.0-0ubuntu4.1, * |
| Ubuntu:16.04:LTS | percona-xtradb-cluster-5.6 | 5.6.34-26.19-0ubuntu0.16.04.1, 5.6.21-25.8-0ubuntu3.2, 5.6.21-25.8-0ubuntu3.1 |
| Ubuntu:14.04:LTS | mysql-5.5 | 5.5.54-0ubuntu0.14.04.1, 5.5.49-0ubuntu0.14.04.1, 5.5.50-0ubuntu0.14.04.1 |
| Ubuntu:20.04:LTS | mysql-8.0 | 8.0.19-0ubuntu2, 8.0.18-0ubuntu3, 8.0.21-0ubuntu0.20.04.4 |
Timeline
- Apr 20, 2021 CVE Published
- Apr 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 26, 2025 EPSS Score
- Mar 27, 2025 EPSS Score
- Mar 29, 2025 EPSS Score
- Apr 6, 2025 EPSS Score
- Apr 7, 2025 EPSS Score
- Apr 10, 2025 EPSS Score
- Apr 11, 2025 EPSS Score
References
- https://www.cve.org/CVERecord?id=CVE-2021-2170 third-party-advisory
- https://ubuntu.com/security/CVE-2021-2170 advisory
- https://access.redhat.com/security/cve/CVE-2021-2170 advisory
- https://ubuntu.com/security/notices/USN-4952-1 advisory