CVE-2009-4833

CVE-2009-4833 is a medium-severity vulnerability in Oracle Mysql Connector/net with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

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.

Frequently asked questions

What is CVE-2009-4833?
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.
How severe is CVE-2009-4833?
CVE-2009-4833 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2009-4833 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4833?
CVE-2009-4833 primarily affects Oracle Mysql Connector/net. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4833?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4833 published?
CVE-2009-4833 was published on 2010-04-29 and last updated on 2026-06-16.

References

Affected products (4)

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