CVE-2017-3633
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached)....
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
CVE-2017-3633- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
CVE-2017-3633- Updated
- 2026-11-02
EUVDEUVD-2017-12750 No score
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
EUVD-2017-12750- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xp8h-g29p-cq44
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached)....
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
GHSA-xp8h-g29p-cq44- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
OSV
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
CVE-2017-3633- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
OSVRHSA-2017:2787
Red Hat Security Advisory: rh-mysql56-mysql security and bug fix update
- Record
RHSA-2017:2787- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
OSVRHSA-2017:2886
Red Hat Security Advisory: rh-mysql57-mysql security and bug fix update
- Record
RHSA-2017:2886- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-3633
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Memcached to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
- Record
UBUNTU-CVE-2017-3633- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
OSVUSN-3357-1 No score
mysql-5.5, mysql-5.7 vulnerabilities
Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues.
MySQL has been updated to 5.5.57 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 17.04 have been updated to MySQL 5.7.19.
In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.
Please see the following for more information: http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-56.html http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-57.html http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-19.html http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- Record
USN-3357-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rh-mysql56-mysqlRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-benchRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-commonRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-configRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-debuginfoRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-develRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-errmsgRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-serverRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysql-testRed Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el6 | 0:5.6.37-5.el6 |
rh-mysql56-mysqlRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
Show 30 moreShow less
| Package | Affected | Fixed |
|---|---|---|
rh-mysql56-mysql-benchRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-commonRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-configRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-debuginfoRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-develRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-errmsgRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-serverRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql56-mysql-testRed Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs |
before 0:5.6.37-5.el7 | 0:5.6.37-5.el7 |
rh-mysql57-mysqlRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-commonRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-configRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-debuginfoRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-develRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-errmsgRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-serverRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysql-testRed Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el6 | 0:5.7.19-6.el6 |
rh-mysql57-mysqlRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-commonRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-configRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-debuginfoRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-develRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-errmsgRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-serverRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
rh-mysql57-mysql-testRed Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs |
before 0:5.7.19-6.el7 | 0:5.7.19-6.el7 |
mysql-5.7Ubuntu:16.04:LTS |
before 5.7.19-0ubuntu0.16.04.1, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 6 moreShow less5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.1 |
5.7.19-0ubuntu0.16.04.1 |
percona-server-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1 |
None known |
percona-xtradb-cluster-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2 |
None known |
mysql-5.7Ubuntu:18.04:LTS |
before 5.7.19-0ubuntu1 | 5.7.19-0ubuntu1 |
mysql-5.5Ubuntu:14.04:LTS From an advisory covering 21 CVEs |
before 5.5.57-0ubuntu0.14.04.1, plus listed versions 5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1 Show 14 moreShow less5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.15.5.55-0ubuntu0.14.04.1 |
5.5.57-0ubuntu0.14.04.1 |
mysql-5.7Ubuntu:16.04:LTS From an advisory covering 21 CVEs |
before 5.7.19-0ubuntu0.16.04.1, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 6 moreShow less5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.1 |
5.7.19-0ubuntu0.16.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-3633 is a medium vulnerability (CVSS 6.5) in Oracle Mysql, published July 19, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.95%, the 87th percentile. Fixed in mysql-5.7 5.7.19-0ubuntu0.16.04.1.
References
access.redhat.com/errata/RHSA-2017:2787
oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
securitytracker.com/id/1038928
securityfocus.com/bid/99722
Show 194 moreShow less
nvd.nist.gov/vuln/detail/CVE-2017-3633
github.com/advisories/GHSA-xp8h-g29p-cq44
dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-35.html
bugzilla.redhat.com/show_bug.cgi?id=1414133
security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_2787.json
cve.org/CVERecord?id=CVE-2016-5483
blog.tarq.io/cve-2016-5483-backdooring-mysqldump-backups
riddle.link
secforce.com/blog/2017/04/cve-2017-3599-pre-auth-mysql-remote-dos
ubuntu.com/security/CVE-2017-3633
Left out here: 98 references. The JSON record has them.