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Vulnerabilities

Threat intelligence · CVE-2021-2389

USN-5022-2: vulnerabilidades de MariaDB USN-5022-1 corrigió múltiples vulnerabilidades en MySQL.

Published Aug 15, 2021 · the affected product

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-2389. EPSS is 8.15%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
8.15%
Remediation
Version ranges on file
Affected products
cpe mariadb/mariadb · cpe oracle/mysql server

USN-5022-2: vulnerabilidades de MariaDB USN-5022-1 corrigió múltiples vulnerabilidades en MySQL. Esta actualización proporciona las correcciones correspondientes para CVE-2021-2372 y CVE-2021-2389 en MariaDB 10.3 y 10.5. Además de las correcciones de seguridad, el paquete actualizado contiene correcciones de errores, nuevas funciones y cambios posiblemente incompatibles.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mariadb/mariadb< 10.2.40
  • cpe mariadb/mariadb< 10.3.31
  • cpe mariadb/mariadb< 10.4.21
  • cpe mariadb/mariadb< 10.5.12
  • cpe oracle/mysql server>= 5.7.0, <= 5.7.34
  • cpe oracle/mysql server>= 8.0.0, <= 8.0.25

How to fix CVE-2021-2389

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-2389. EPSS is 8.15%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with oracle/mysql server >= 5.7.0, <= 5.7.34; oracle/mysql server >= 8.0.0, <= 8.0.25. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 8.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

MySQL security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 15, 2021 · AlienVault OTX

    Detected

    USN-5022-2: vulnerabilidades de MariaDB USN-5022-1 corrigió múltiples vulnerabilidades en MySQL. Esta actualización proporciona las correcciones correspondientes para CVE-2021-2372 y CVE-2021-2389 en MariaDB 10.3 y 10.5. Además de las correcciones de seguridad, el paquete actualizado contiene correcciones de errores, nuevas funciones y cambios posiblemente incompatibles.

Sources

  • Monitored products — highVendor advisoryCVE-2021-2389

    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 frequent

    nvd.nist.gov
  • AlienVault OTXThreat intelligenceCVE-2021-2389
    otx.alienvault.com

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — highNov 1, 2026
  • AlienVault OTXNov 1, 2026