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Fencer Intel
medium 4.2

CVE-2021-2010 json

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API).

published 5y ago modified 4mo ago also EUVD-2021-16469

cvss
4.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).

Patch / fix

  • mysql-5.7 Ubuntu 16.04 LTS 5.7.33-0ubuntu0.16.04.1
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.33-0ubuntu0.18.04.1
  • mysql-8.0 Ubuntu 20.04 LTS 8.0.23-0ubuntu0.20.04.1

ubuntu advisories UBUNTU-CVE-2021-2010

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mecab RHEL 8 0.996-1.module+el8.0.0+3898+e09bb8de.9
  • mysql RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02
  • mysql-libs RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02
  • mysql-test RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02
  • mecab-ipadic RHEL 8 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
  • mysql-common RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02
  • mysql-errmsg RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02
  • mysql-server RHEL 8 8.0.26-1.module+el8.4.0+12359+b8928c02

red hat advisories RHSA-2021:3590RHSA-2021:3811

  • mecab AlmaLinux 8 0.996-1.module_el8.4.0+2532+b8928c02.9
  • mecab AlmaLinux 8 0.996-1.module_el8.5.0+33+8bc5f36a.9
  • mysql AlmaLinux 8 8.0.26-1.module_el8.4.0+2532+b8928c02
  • mysql AlmaLinux 8 8.0.26-1.module_el8.5.0+33+8bc5f36a
  • mysql-libs AlmaLinux 8 8.0.26-1.module_el8.4.0+2532+b8928c02
  • mysql-libs AlmaLinux 8 8.0.26-1.module_el8.5.0+33+8bc5f36a
  • mysql-test AlmaLinux 8 8.0.26-1.module_el8.4.0+2532+b8928c02
  • mysql-test AlmaLinux 8 8.0.26-1.module_el8.5.0+33+8bc5f36a

almalinux advisories ALSA-2021:3590

  • mecab Rocky Linux 8 0.996-1.module+el8.3.0+242+87d3366a.9
  • mysql Rocky Linux 8 8.0.26-1.module+el8.4.0+652+6de068a7
  • mecab-ipadic Rocky Linux 8 2.7.0.20070801-16.module+el8.3.0+242+87d3366a

rocky linux advisories RLSA-2021:3590

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-2010 updated cvss 4.2

mysql: C API unspecified vulnerability (CPU Jan 2021)

  • Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, mysql 8.0.26-1.module+el8.4.0+12359+b8928c02, mysql-libs 8.0.26-1.module+el8.4.0+12359+b8928c02, mysql-test 8.0.26-1.module+el8.4.0+12359+b8928c02, mysql-common 8.0.26-1.module+el8.4.0+12359+b8928c02, mysql-errmsg 8.0.26-1.module+el8.4.0+12359+b8928c02, +3 more
    fixed: vendor fix RHSA-2021:3590
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql80-mysql 8.0.26-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.el7, rh-mysql80-mysql-errmsg 8.0.26-1.el7, rh-mysql80-mysql-server 8.0.26-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-mysql80-mysql 8.0.26-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.el7, rh-mysql80-mysql-errmsg 8.0.26-1.el7, rh-mysql80-mysql-server 8.0.26-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql80-mysql 8.0.26-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.el7, rh-mysql80-mysql-errmsg 8.0.26-1.el7, rh-mysql80-mysql-server 8.0.26-1.el7, +3 more
    fixed: vendor fix RHSA-2021:3811
  • Red Hat Enterprise Linux 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 more Red Hat OpenStack Platform 10 (Newton) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 13 (Queens) mariadb, mariadb-libs, mariadb-test, mariadb-common, mariadb-config, mariadb-errmsg, +3 more Red Hat Software Collections rh-mariadb103-mariadb, rh-mariadb103-mariadb-test, rh-mariadb103-mariadb-backup, rh-mariadb103-mariadb-common, rh-mariadb103-mariadb-config, rh-mariadb103-mariadb-errmsg, +12 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
NVD 2.0 4.9 AV:N/AC:M/Au:S/C:N/I:P/A:P

Affected products

  • Oracle Corporation MySQL Server

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.