HOMEVULNERABILITIESCVE-2023-21971
MEDIUM

CVE-2023-21971

NVD-CWE-noinfoPublished: April 18, 2023· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.32 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors as well as unauthorized update, insert or delete access to some of MySQL Connectors accessible data and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H).

NVD Source

Technical Analysis

CVE-2023-21971 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high 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 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.High
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H

Affected Vendors & Products

netapp3 product(s)
active iq unified manageroncommand insightsnapcenter
Oracle3 product(s)
communications cloud native core binding support functioncommunications cloud native core policymysql connectors
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

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

All References (8)

Quick Facts

CVE IDCVE-2023-21971
CVSS Score5.3 / 10
SeverityMEDIUM
CISA KEVNo
Affected2 vendor(s)
PublishedApr 18, 2023

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-21971 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.