Is CVE-2011-5049 being actively exploited?

CVE-2011-5049 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-5049?

CVE-2011-5049 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-5049

MEDIUM · CVSS 4.3EPSS 4.3%EU EUVD

MySQL 5.5.8, when running on Windows, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted packet to TCP port 3306.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 4.3% (91th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4952)
Published: January 4, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4952 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows

Certified products that may be affected

35 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows OS Loader - Microsoft Corporation - FIPS 140 5405 - active
Windows OS Loader - Microsoft Corporation - FIPS 140 4545 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 4339 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 3615 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 3480 - historical

See all 35 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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