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Fencer Intel
medium 5.8

CVE-2009-4833 json

MySQL Connector/NET before 6.0.4, when using encryption, does not verify SSL certificates during connection, which allows remote attackers…

published 16y ago modified 4mo ago also EUVD-2009-4796

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

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.

Patch / fix

Is CVE-2009-4833 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.mysql.com http://bugs.mysql.com/bug.php?id=38700 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.