CVE-2021-2357
MEDIUMMySQL Server < 8.0.25 - Authenticated Denial of Service in Optimizer
Title source: llmDescription
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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).
References (4)
Core 4
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2021.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210723-0001/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R/
Scores
CVSS v3
4.9
EPSS
0.0038
EPSS Percentile
59.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (4)
fedoraproject/fedora
33
fedoraproject/fedora
34
netapp/oncommand_insight
oracle/mysql
8.0.0 - 8.0.25
Published
Jul 21, 2021
Tracked Since
Feb 18, 2026