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Fencer Intel
medium 5.9

CVE-2015-3152 json

Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the --ssl option to me…

published 2016-05-16 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3233

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.1%
EPSS 7.1% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the --ssl option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, aka a "BACKRONYM" attack.

Patch / fix

  • mariadb mariadb 5.5.44, 10.0.20
  • php php 5.4.43, 5.5.27, 5.6.11
  • mariadb-5.5 Ubuntu 14.04 LTS 5.5.44-1ubuntu0.14.04.1
  • mariadb-10.0 Ubuntu 16.04 LTS 10.0.22-0ubuntu1

ubuntu advisories UBUNTU-CVE-2015-3152

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rh-mariadb100-mariadb RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el6
  • rh-mariadb100-mariadb RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el7
  • rh-mariadb100-mariadb-test RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el6
  • rh-mariadb100-mariadb-test RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el7
  • rh-mariadb100-mariadb-bench RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el6
  • rh-mariadb100-mariadb-bench RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el7
  • rh-mariadb100-mariadb-common RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el6
  • rh-mariadb100-mariadb-common RHEL 2 SOFTWARE_COLLECTIONS 1:10.0.20-1.el7

red hat advisories RHSA-2015:1646RHSA-2015:1647RHSA-2015:1665

  • mysql SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 5.5.45-0.11.1
  • mariadb SLES for SAP 12, SLES 12, SLED 12 +2 more 10.0.20-18.1
  • php53 SLES 11 SP2-LTSS 5.3.17-47.1

suse advisories SUSE-SU-2016:1638-1SUSE-SU-2015:1788-1SUSE-SU-2015:1273-1

  • php7 openSUSE Tumbleweed 7.0.14-1.4
  • php5 openSUSE Tumbleweed 5.6.28-1.1
  • php8 openSUSE Tumbleweed 8.0.11-1.1

opensuse advisories openSUSE-SU-2024:10290-1openSUSE-SU-2024:10344-1openSUSE-SU-2024:11169-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3152 updated cvss 4.3

mysql: use of SSL/TLS can not be enforced in mysql client library (oCERT-2015-003, BACKRONYM)

  • Red Hat Enterprise Linux 5 mysql55-mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) mariadb-galera Red Hat Enterprise Linux OpenStack Platform 6 (Juno) mariadb-galera Red Hat Software Collections mysql55-mysql, rh-mysql56-mysql, mysql55-mysql-libs, mysql55-mysql-test, mysql55-mysql-bench, mysql55-mysql-server, +6 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) mariadb 5.5.44-1.el7_1, mariadb-libs 5.5.44-1.el7_1, mariadb-server 5.5.44-1.el7_1 Red Hat Enterprise Linux Client Optional (v. 7) mariadb-test 5.5.44-1.el7_1, mariadb-bench 5.5.44-1.el7_1, mariadb-embedded 5.5.44-1.el7_1 Red Hat Enterprise Linux ComputeNode (v. 7) mariadb 5.5.44-1.el7_1, mariadb-libs 5.5.44-1.el7_1 Red Hat Enterprise Linux ComputeNode Optional (v. 7) mariadb-test 5.5.44-1.el7_1, mariadb-bench 5.5.44-1.el7_1, mariadb-server 5.5.44-1.el7_1, mariadb-embedded 5.5.44-1.el7_1 Red Hat Enterprise Linux Server (v. 7) mariadb 5.5.44-1.el7_1, mariadb 5.5.44-1.ael7b_1, mariadb-libs 5.5.44-1.el7_1, mariadb-test 5.5.44-1.el7_1, mariadb-bench 5.5.44-1.el7_1, mariadb-libs 5.5.44-1.ael7b_1, +4 more Red Hat Enterprise Linux Server Optional (v. 7) mariadb-embedded 5.5.44-1.el7_1, mariadb-embedded 5.5.44-1.ael7b_1
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) mariadb 5.5.44-1.el7_1, mariadb-libs 5.5.44-1.el7_1, mariadb-test 5.5.44-1.el7_1, mariadb-bench 5.5.44-1.el7_1, mariadb-server 5.5.44-1.el7_1 Red Hat Enterprise Linux Workstation Optional (v. 7) mariadb-embedded 5.5.44-1.el7_1
    fixed: vendor fix RHSA-2015:1665
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) mariadb55-mariadb 5.5.44-1.el6, mariadb55-mariadb-libs 5.5.44-1.el6, mariadb55-mariadb-test 5.5.44-1.el6, rh-mariadb100-mariadb 10.0.20-1.el6, mariadb55-mariadb-bench 5.5.44-1.el6, mariadb55-mariadb-server 5.5.44-1.el6, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) mariadb55-mariadb 5.5.44-1.el7, mariadb55-mariadb-libs 5.5.44-1.el7, mariadb55-mariadb-test 5.5.44-1.el7, rh-mariadb100-mariadb 10.0.20-1.el7, mariadb55-mariadb-bench 5.5.44-1.el7, mariadb55-mariadb-server 5.5.44-1.el7, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) mariadb55-mariadb 5.5.44-1.el6, mariadb55-mariadb-libs 5.5.44-1.el6, mariadb55-mariadb-test 5.5.44-1.el6, rh-mariadb100-mariadb 10.0.20-1.el6, mariadb55-mariadb-bench 5.5.44-1.el6, mariadb55-mariadb-server 5.5.44-1.el6, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) mariadb55-mariadb 5.5.44-1.el6, mariadb55-mariadb-libs 5.5.44-1.el6, mariadb55-mariadb-test 5.5.44-1.el6, rh-mariadb100-mariadb 10.0.20-1.el6, mariadb55-mariadb-bench 5.5.44-1.el6, mariadb55-mariadb-server 5.5.44-1.el6, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) mariadb55-mariadb 5.5.44-1.el7, mariadb55-mariadb-libs 5.5.44-1.el7, mariadb55-mariadb-test 5.5.44-1.el7, rh-mariadb100-mariadb 10.0.20-1.el7, mariadb55-mariadb-bench 5.5.44-1.el7, mariadb55-mariadb-server 5.5.44-1.el7, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) mariadb55-mariadb 5.5.44-1.el6, mariadb55-mariadb-libs 5.5.44-1.el6, mariadb55-mariadb-test 5.5.44-1.el6, rh-mariadb100-mariadb 10.0.20-1.el6, mariadb55-mariadb-bench 5.5.44-1.el6, mariadb55-mariadb-server 5.5.44-1.el6, +7 more
    +1 more products
    Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) mariadb55-mariadb 5.5.44-1.el7, mariadb55-mariadb-libs 5.5.44-1.el7, mariadb55-mariadb-test 5.5.44-1.el7, rh-mariadb100-mariadb 10.0.20-1.el7, mariadb55-mariadb-bench 5.5.44-1.el7, mariadb55-mariadb-server 5.5.44-1.el7, +7 more
    fixed: vendor fix RHSA-2015:1647

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.14% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • mysqlblog.fivefarmers.com http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-295 Improper Certificate Validation
Technology feeds

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.