Is CVE-2015-4815 in the CISA KEV catalog?

No. CVE-2015-4815 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4815?

CVE-2015-4815 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2015-4815?

CVE-2015-4815 has an EPSS score of 3.69% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4815?

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-2015-4815

MEDIUMEPSS 88th pctl

4.0

CVSS v2

NVD

Description

Unspecified vulnerability in Oracle MySQL Server 5.5.45 and earlier and 5.6.26 and earlier allows remote authenticated users to affect availability via vectors related to Server : DDL.

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:10.1.0 10.1.8Fixed in:10.1.8MariaDB Corporation Ab

Affected:10.0.0 10.0.22Fixed in:10.0.22MariaDB Corporation Ab

Affected:5.5.0 5.5.46Fixed in:5.5.46MariaDB 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

3.69%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

oracle.com

Vendor Advisory2

Third-Party Advisory15

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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.