HOMEVULNERABILITIESCVE-2018-3133
MEDIUM

CVE-2018-3133

NVD-CWE-noinfoPublished: October 17, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Parser). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols 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. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

NVD Source

Technical Analysis

CVE-2018-3133 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
mariadb1 product(s)
mariadb
netapp5 product(s)
active iq unified manageroncommand insightoncommand unified manageroncommand workflow automationsnapcenter
Oracle1 product(s)
mysql
Source: NVD CPE · 13 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (18)

http://www.securityfocus.com/bid/105610Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1041888Broken Link · Third Party Advisory · VDB Entry · Vendor Advisory
https://usn.ubuntu.com/3799-1/Third Party Advisory
https://usn.ubuntu.com/3799-2/Third Party Advisory
http://www.securityfocus.com/bid/105610Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1041888Broken Link · Third Party Advisory · VDB Entry · Vendor Advisory

Quick Facts

CVE IDCVE-2018-3133
CVSS Score6.5 / 10
SeverityMEDIUM
CISA KEVNo
Affected5 vendor(s)
PublishedOct 17, 2018

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-3133 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.