CVE & CISA-KEV Catalog

CVE-2016-6664

HIGHEPSS 86th pctl
7.0
CVSS v3
NVD

Description

mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17, when using file-based logging, allows local users with access to the mysql account to gain root privileges via a symlink attack on error logs and possibly other files.

CWE-59Link Following

How to fix

Remediation Available
MariaDBWindows application
Affected:5.5.0 5.5.54Fixed in:5.5.54MariaDB Corporation Ab
Affected:10.1.0 10.1.21Fixed in:10.1.21MariaDB Corporation Ab
Affected:10.0.0 10.0.29Fixed in:10.0.29MariaDB Corporation Ab

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

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.08%probability of exploitation in 30 days
86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1
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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.