Vulnerability in PHP
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 attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- PHP — versions 5.5.0, 5.5.1, 5.5.2
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-2952-1 (vendor-advisory)
- bugs.php.net/bug.php
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2952-2 (vendor-advisory)
- php.net/ChangeLog-5.php
- git.php.net/
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8838?
- CVE-2015-8838 is a medium-severity vulnerability in PHP, classified under Improper Access Control. CVSS score: 5.9/10. Published 2016-05-16.
- How severe is CVE-2015-8838?
- Medium severity. CVSS v3 base score is 5.9 out of 10.