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.
2016-05-16T10:59:23.410
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 5.9 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.1 | Yes |
| Application | php | php | 5.5.2 | Yes |
| Application | php | php | 5.5.3 | Yes |
| Application | php | php | 5.5.4 | Yes |
| Application | php | php | 5.5.5 | Yes |
| Application | php | php | 5.5.6 | Yes |
| Application | php | php | 5.5.7 | Yes |
| Application | php | php | 5.5.8 | Yes |
| Application | php | php | 5.5.9 | Yes |
| Application | php | php | 5.5.10 | Yes |
| Application | php | php | 5.5.11 | Yes |
| Application | php | php | 5.5.12 | Yes |
| Application | php | php | 5.5.13 | Yes |
| Application | php | php | 5.5.14 | Yes |
| Application | php | php | 5.5.15 | Yes |
| Application | php | php | 5.5.16 | Yes |
| Application | php | php | 5.5.17 | Yes |
| Application | php | php | 5.5.18 | Yes |
| Application | php | php | 5.5.19 | Yes |
| Application | php | php | 5.5.20 | Yes |
| Application | php | php | 5.5.21 | Yes |
| Application | php | php | 5.5.22 | Yes |
| Application | php | php | 5.5.23 | Yes |
| Application | php | php | 5.5.24 | Yes |
| Application | php | php | 5.5.25 | Yes |
| Application | php | php | 5.5.26 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.1 | Yes |
| Application | php | php | 5.6.2 | Yes |
| Application | php | php | 5.6.3 | Yes |
| Application | php | php | 5.6.4 | Yes |
| Application | php | php | 5.6.5 | Yes |
| Application | php | php | 5.6.6 | Yes |
| Application | php | php | 5.6.7 | Yes |
| Application | php | php | 5.6.8 | Yes |
| Application | php | php | 5.6.9 | Yes |
| Application | php | php | 5.6.10 | Yes |
| Application | php | php | ≤ 5.4.42 | Yes |