vulnwire
4.9med

CVE-2021-2016

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).

Published 5 y ago · modified 4 mo ago · JSON

CVSS
4.9
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 82%
Public exploits
0
none known

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 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).

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction (EPSS)

2.17% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.14.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA3.14.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD2.06.8AV:N/AC:L/Au:S/C:N/I:N/A:C

Affected products

  • Oracle Corporation MySQL Server

Classification

Technology feeds
MySQL (RSS, critical only)

References

  • oracle.com /security-alerts/cpujan2021.html · x_refsource_MISC, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQW · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57A · vendor-advisory, x_refsource_FEDORA, x_transferred
  • security.netapp.com /advisory/ntap-20210219-0003/ · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/202105-27 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.