Vulnerability · Published Apr 22, 2021 · Assigned by oracle

CVE-2021-2193

Medium 4.9

In plain English

A medium-severity security flaw in MySQL Server from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium

Exploit odds (30 days)2.1%top 18.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	MySQL Server	8.0.23 and prior

References

https://www.oracle.com/security-alerts/cpuapr2021.html x_refsource_MISC
FEDORA-2021-01189f6361 vendor-advisory, x_refsource_FEDORA
FEDORA-2021-5b6c69a73a vendor-advisory, x_refsource_FEDORA
FEDORA-2021-b8b7829a83 vendor-advisory, x_refsource_FEDORA
https://security.netapp.com/advisory/ntap-20210513-0002/ x_refsource_CONFIRM