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Vulnerability record · CVE-2009-4833 · published 29 April 2010

CVE-2009-4833: Oracle mysql connector\/net improper input validation vulnerability

Oracle · Mysql Connector\/Net

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.

5.8 CVSS 2.0 Medium EPSS 0.95% · top 40.3% CWE-20 · Improper input validation
5.8CVSS 2.0 base score
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.mysql.com/bug.php?id=38700 ExploitPatch
http://secunia.com/advisories/35604 Vendor Advisory
http://www.securityfocus.com/bid/35514
http://www.securitytracker.com/id?1022482
https://exchange.xforce.ibmcloud.com/vulnerabilities/51406
http://bugs.mysql.com/bug.php?id=38700 ExploitPatch
http://secunia.com/advisories/35604 Vendor Advisory
http://www.securityfocus.com/bid/35514
http://www.securitytracker.com/id?1022482
https://exchange.xforce.ibmcloud.com/vulnerabilities/51406

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-4833), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.