Login Request a demo
Medium severity · published May 16, 2016
CVE-2015-8838
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…
5.9
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
5.5.0; 5.5.0; 5.5.0; 5.5.0; 5.5.0; 5.5.0; +34 more · source: NVD
Affected product
PH
PHP
PHP
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8838
git.php.net
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=97aa752fee61fccdec361279adbfb17a3c60f3f4
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
php.net
http://php.net/ChangeLog-5.php
More from PHP
9.8
CVE-2026-109618
RCE via OOM corruption
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
9.8
CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability