CVE-2021-2166
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability
02 Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 4.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.8% of scored records. A rank, not a probability.
- NVD base score
- 4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-04-22 21:53Z5 YR AGO
- Last updated
- 2024-09-26 15:33Z2 YR AGO
- Reserved
- 2020-12-09
- Assigning CNA
- oracle
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 7234b91b4563ce8358d252961264ae640096f6c41398240b87b4fdf830b1e617
05 Affected products
06 References
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2021.html
- lists.fedoraproject.orgFEDORA-2021-01189f6361https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/
- lists.fedoraproject.orgFEDORA-2021-5b6c69a73ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/
- lists.fedoraproject.orgFEDORA-2021-b8b7829a83https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/
- lists.fedoraproject.orgFEDORA-2021-68db93b130https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPA3CTGXPVWKHMCQDVURK4ETH7GE34KK/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20210513-0002/
- lists.fedoraproject.orgFEDORA-2021-27187ac9ddhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GAU7KW36A6TQGKG3RUITYSVUFIHBY3OT/
- lists.fedoraproject.orgFEDORA-2021-179f2fbb88https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEF5CRATUGQZUSQU63MHQIDZPOLHW2VE/
- security.gentoo.orgGLSA-202105-27https://security.gentoo.org/glsa/202105-27
- security.gentoo.orgGLSA-202105-28https://security.gentoo.org/glsa/202105-28
07 Fixed in
AlmaLinux 8
- Judy Fixed
A version is affected if any line below covers it.
- Affected before 1.0.5-18.module_el8.5.0+2632+14ced695
- Affected before 1.0.5-18.module_el8.5.0+2637+d11efe18
- Affected before 1.0.5-18.module_el8.6.0+2761+593e5e59
- Affected before 1.0.5-18.module_el8.6.0+2867+72759d2f
- galera Fixed
A version is affected if any line below covers it.
- Affected before 25.3.34-4.module_el8.5.0+2632+14ced695
- Affected before 25.3.34-4.module_el8.6.0+2867+72759d2f
- Affected before 26.4.9-4.module_el8.5.0+2637+d11efe18
- Affected before 26.4.9-4.module_el8.6.0+2761+593e5e59
- mariadb Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-backup Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-common Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-devel Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-embedded Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-embedded-devel Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-errmsg Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-gssapi-server Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-oqgraph-engine Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-pam Fixed
A version is affected if any line below covers it.
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server-galera Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server-utils Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-test Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mecab Fixed
A version is affected if any line below covers it.
- Affected before 0.996-1.module_el8.4.0+2532+b8928c02.9
- Affected before 0.996-1.module_el8.5.0+33+8bc5f36a.9
- mecab-ipadic Fixed
A version is affected if any line below covers it.
- Affected before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
- Affected before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
- mecab-ipadic-EUCJP Fixed
A version is affected if any line below covers it.
- Affected before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
- Affected before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
- mysql Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-common Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-devel Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-errmsg Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-libs Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-server Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-test Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- mariadb Fixed in 10.5.10-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- Judy Fixed
A version is affected if any line below covers it.
- Affected before 1.0.5-18.module_el8.5.0+2632+14ced695
- Affected before 1.0.5-18.module_el8.5.0+2637+d11efe18
- Affected before 1.0.5-18.module_el8.6.0+2761+593e5e59
- Affected before 1.0.5-18.module_el8.6.0+2867+72759d2f
- galera Fixed
A version is affected if any line below covers it.
- Affected before 25.3.34-4.module_el8.5.0+2632+14ced695
- Affected before 25.3.34-4.module_el8.6.0+2867+72759d2f
- Affected before 26.4.9-4.module_el8.5.0+2637+d11efe18
- Affected before 26.4.9-4.module_el8.6.0+2761+593e5e59
- mariadb Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-backup Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-common Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-devel Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-embedded Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-embedded-devel Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-errmsg Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-gssapi-server Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-oqgraph-engine Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-pam Fixed
A version is affected if any line below covers it.
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server-galera Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-server-utils Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mariadb-test Fixed
A version is affected if any line below covers it.
- Affected before 3:10.3.32-2.module_el8.5.0+2632+14ced695
- Affected before 3:10.3.32-2.module_el8.6.0+2867+72759d2f
- Affected before 3:10.5.13-1.module_el8.5.0+2637+d11efe18
- Affected before 3:10.5.13-1.module_el8.6.0+2761+593e5e59
- mecab Fixed
A version is affected if any line below covers it.
- Affected before 0.996-1.module_el8.4.0+2532+b8928c02.9
- Affected before 0.996-1.module_el8.5.0+33+8bc5f36a.9
- mecab-ipadic Fixed
A version is affected if any line below covers it.
- Affected before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
- Affected before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
- mecab-ipadic-EUCJP Fixed
A version is affected if any line below covers it.
- Affected before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
- Affected before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
- mysql Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-common Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-devel Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-errmsg Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-libs Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-server Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
- mysql-test Fixed
A version is affected if any line below covers it.
- Affected before 8.0.26-1.module_el8.4.0+2532+b8928c02
- Affected before 8.0.26-1.module_el8.5.0+33+8bc5f36a
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 11
- mariadb-10.5 Fixed in 1:10.5.10-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- mysql-5.5 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- mariadb-10.0 No fix yet
- percona-server-5.6 No fix yet
- percona-xtradb-cluster-5.6 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- mariadb-10.1 No fix yet
- mysql-5.7 Fixed in 5.7.34-0ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- mariadb-10.3 No fix yet
- mysql-8.0 Fixed in 8.0.25-0ubuntu0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- mysql-5.7 Fixed in 5.7.35-0ubuntu0.16.04.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.