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Vulnerability details: VCID-a738-ctkd-f3b4
Vulnerability ID VCID-a738-ctkd-f3b4
Aliases CVE-2023-21971
Summary Uncontrolled Ressource Consumption 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).
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-410 Insufficient Resource Pool
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21971.json
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2023-21971
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20230427-0007/
ssvc Track https://security.netapp.com/advisory/ntap-20230427-0007/
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20230427-0010/
ssvc Track https://security.netapp.com/advisory/ntap-20230427-0010/
cvssv3.1 5.3 https://www.oracle.com/security-alerts/cpuapr2023.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2023.html
cvssv3.1 5.3 https://www.oracle.com/security-alerts/cpujul2023.html
ssvc Track https://www.oracle.com/security-alerts/cpujul2023.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21971.json
https://api.first.org/data/v1/epss?cve=CVE-2023-21971
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.oracle.com/security-alerts/cpuapr2023.html
2196673 https://bugzilla.redhat.com/show_bug.cgi?id=2196673
cpujul2023.html https://www.oracle.com/security-alerts/cpujul2023.html
CVE-2023-21971 https://nvd.nist.gov/vuln/detail/CVE-2023-21971
ntap-20230427-0007 https://security.netapp.com/advisory/ntap-20230427-0007/
ntap-20230427-0010 https://security.netapp.com/advisory/ntap-20230427-0010/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21971.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://security.netapp.com/advisory/ntap-20230427-0007/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-16T14:38:46Z/ Found at https://security.netapp.com/advisory/ntap-20230427-0007/
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://security.netapp.com/advisory/ntap-20230427-0010/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-16T14:38:46Z/ Found at https://security.netapp.com/advisory/ntap-20230427-0010/
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://www.oracle.com/security-alerts/cpuapr2023.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-16T14:38:46Z/ Found at https://www.oracle.com/security-alerts/cpuapr2023.html
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H Found at https://www.oracle.com/security-alerts/cpujul2023.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-16T14:38:46Z/ Found at https://www.oracle.com/security-alerts/cpujul2023.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.346
EPSS Score 0.00143
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:51:09.958462+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/pypi/mysql-connector-python/CVE-2023-21971.yml 38.0.0