CVE-2023-21971

mediumpriority · track · 11EPSS 0.015 · 74 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.48% (74th) EPSS

CVSS 5.3 · medium

Is it mine?

27 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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).

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumAV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:Hsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:Hsecondary · secalert_us@oracle.com USexploitability 0.5 · impact 4.7

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Avento/CVE-2023-21971_AnalysisCVE-2023-21971 Connector/J RCE Analysis分析PoC · poc_in_github

affected products (27)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
F5 BIG-IPall versionscert_bundDEcpe:/a:f5:big-ip:-
IBM Security Guardium 11.3all versionscert_bundDEcpe:/a:ibm:security_guardium:11.3
IBM Security Guardium 11.5all versionscert_bundDEcpe:/a:ibm:security_guardium:11.5
NetApp ActiveIQ Unified Managerall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Oracle MySQL <=5.7.41all versionscert_bundDE
Oracle MySQL <=8.0.33all versionscert_bundDE
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Tenable Security Nessus Network Monitor <6.2.1all versionscert_bundDE
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Oracle MySQL≤ 5.7.41cert_bundDE
Oracle MySQL≤ 8.0.33cert_bundDE
Tenable Security Nessus Network Monitor< 6.2.1cert_bundDE
Oracle Corporation MySQL Connectors≤ 8.0.32 and priorenisa_euvdEU
Oracle Corp. MySQL Connectors≤ 8.0.32fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
netapp active iq unified managerall versionsnvdUScpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:*:*:*

showing 20 of 27

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1033Oracle MySQL: Mehrere SchwachstellenDeutsch2023-04-18csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle MySQL ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2023-1812Oracle Communications: Mehrere SchwachstellenDeutsch2023-07-18csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-04-18modified 2026-06-17

references (13)

External citations — patches, advisories, analysis.

scry

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