Is CVE-2015-4816 in the CISA KEV catalog?

No. CVE-2015-4816 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4816?

CVE-2015-4816 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2015-4816?

CVE-2015-4816 has an EPSS score of 7.45% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4816?

Upgrade mysql-5.5 on ubuntu 14.04 to 5.5.46-0ubuntu0.14.04.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-4816

MEDIUMEPSS 94th pctl

4.0

CVSS v2

NVD

Description

Unspecified vulnerability in Oracle MySQL Server 5.5.44 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : InnoDB.

How to fix

Remediation Available

mysql-5.5Ubuntu

Fixed in:5.5.46-0ubuntu0.14.04.2USN-2781-1

mysql-server-5.5Ubuntu

Fixed in:5.5.46-0ubuntu0.14.04.2USN-2781-1

MariaDBWindows application

Affected:10.0.0 10.0.21Fixed in:10.0.21MariaDB Corporation Ab

Affected:10.1.0 10.1.8Fixed in:10.1.8MariaDB Corporation Ab

Affected:5.5.0 5.5.45Fixed in:5.5.45MariaDB Corporation Ab

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

7.45%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

oracle.com

Vendor Advisory2

Third-Party Advisory10

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.