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Vulnerability details: VCID-4w4j-hadb-w3e6
Vulnerability ID VCID-4w4j-hadb-w3e6
Aliases CVE-2021-2471
GHSA-w6f2-8wx4-47r5
Summary Uncontrolled Resource Consumption Vulnerability in the MySQL Connectors product of Oracle MySQL. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DoS) of MySQL Connectors.
Status Published
Exploitability 0.5
Weighted Severity 6.7
Risk 3.4
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-863 Incorrect Authorization
System Score Found at
cvssv3 7.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2471.json
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
epss 0.63823 https://api.first.org/data/v1/epss?cve=CVE-2021-2471
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-w6f2-8wx4-47r5
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2021-2471
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-2471
cvssv3.1 5.9 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 5.9 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpuoct2021.html
ssvc Track https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2471.json
https://api.first.org/data/v1/epss?cve=CVE-2021-2471
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpuoct2021.html
2020583 https://bugzilla.redhat.com/show_bug.cgi?id=2020583
CVE-2021-2471 https://nvd.nist.gov/vuln/detail/CVE-2021-2471
GHSA-w6f2-8wx4-47r5 https://github.com/advisories/GHSA-w6f2-8wx4-47r5
RHSA-2022:0589 https://access.redhat.com/errata/RHSA-2022:0589
RHSA-2022:1013 https://access.redhat.com/errata/RHSA-2022:1013
RHSA-2022:5532 https://access.redhat.com/errata/RHSA-2022:5532
RHSA-2022:5903 https://access.redhat.com/errata/RHSA-2022:5903
RHSA-2022:6407 https://access.redhat.com/errata/RHSA-2022:6407
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2471.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:N/S:U/C:H/I:N/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:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2471
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:N/S:U/C:H/I:N/A:H Found at https://www.oracle.com/security-alerts/cpuapr2022.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/2024-09-25T19:15:14Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H Found at https://www.oracle.com/security-alerts/cpuoct2021.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/2024-09-25T19:15:14Z/ Found at https://www.oracle.com/security-alerts/cpuoct2021.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.98411
EPSS Score 0.63823
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:57.703193+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/mysql-connector-java/CVE-2021-2471.yml 38.0.0