CVE-2021-2390

moderate-risk
Published 2021-07-21

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated 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 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Do I need to act?

~
2.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Oracle Netapp

References (6)

Third Party Advisory https://security.netapp.com/advisory/ntap-20210723-0001/
Vendor Advisory https://www.oracle.com/security-alerts/cpujul2021.html
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-881/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210723-0001/
Vendor Advisory https://www.oracle.com/security-alerts/cpujul2021.html
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-881/
30
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 5/34 · Minimal
Exposure 7/34 · Low