Is CVE-2009-4833 being actively exploited?

CVE-2009-4833 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4833?

CVE-2009-4833 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2009-4833

MEDIUM · CVSS 5.8EPSS 0.9%EU EUVD

MySQL Connector/NET before 6.0.4, when using encryption, does not verify SSL certificates during connection, which allows remote attackers to perform a man-in-the-middle attack with a spoofed SSL certificate.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:P
Weakness (CWE): CWE-20
EPSS score: 0.9% (61th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4796)
Published: April 29, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4796 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

oracle / mysql connector/net
oracle / mysql connector/net
oracle / mysql connector/net
oracle / mysql connector/net

References

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

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