CVE-2021-2021

CVSS 4.9 MEDIUMEPSS 10.0%

Vexday Risk Score

18Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.9EPSS 10.0%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

20 Jan 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 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).

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

Oracle Corporation · MySQL Server

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References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC/https://security.gentoo.org/glsa/202105-27 https://security.netapp.com/advisory/ntap-20210219-0003/https://www.oracle.com/security-alerts/cpujan2021.html