CVE-2015-8838

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published
May 16, 2016
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2015

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CVE-2015-8838: Medium severity, CVSS 5.9 | Vulnix