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Fencer Vulns
low 3.7

CVE-2021-2007 json

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

published 2021-01-20 5 y ago modified 2026-09-08 2 mo ago also BIT-mariadb-2021-2007 , BIT-mariadb-min-2021-2007 , BIT-mysql-client-2021-2007 , EUVD-2021-16466

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Client accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Patch / fix

  • bitnami mariadb 5.5.65, 10.1.41, 10.2.26, 10.3.17, 10.4.7
  • bitnami mariadb-min 5.5.65, 10.1.41, 10.2.26, 10.3.17, 10.4.7
  • bitnami mysql-client 5.5.65, 10.1.41, 10.2.26, 10.3.17, 10.4.7
  • mariadb mariadb 5.5.65, 10.1.41, 10.2.26, 10.3.17, 10.4.7
  • mysql-5.7 Ubuntu 16.04 LTS 5.7.30-0ubuntu0.16.04.1
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.30-0ubuntu0.18.04.1
  • mysql-8.0 Ubuntu 20.04 LTS 8.0.20-0ubuntu0.20.04.1

ubuntu advisories UBUNTU-CVE-2021-2007

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

  • Judy RHEL 8, RHEL 8.0 E4S 1.0.5-18.module+el8+2765+cfa4f87b
  • rh-mariadb103-galera RHEL 3 SOFTWARE_COLLECTIONS 25.3.31-1.el7
  • rh-mariadb103-mariadb RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7
  • rh-mariadb103-mariadb-test RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7
  • rh-mariadb103-mariadb-backup RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7
  • rh-mariadb103-mariadb-common RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7
  • rh-mariadb103-mariadb-config RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7
  • rh-mariadb103-mariadb-errmsg RHEL 3 SOFTWARE_COLLECTIONS 3:10.3.27-1.el7

red hat advisories RHSA-2020:5663RHSA-2020:5662RHSA-2020:5660RHSA-2020:5655RHSA-2020:5246RHSA-2020:5503

  • mariadb-connector-c AlmaLinux 8 3.1.11-2.el8_3
  • mariadb-connector-c-config AlmaLinux 8 3.1.11-2.el8_3
  • 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
  • mecab-ipadic AlmaLinux 8 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
  • mecab-ipadic AlmaLinux 8 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
  • mecab-ipadic-EUCJP AlmaLinux 8 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
  • mecab-ipadic-EUCJP AlmaLinux 8 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02

almalinux advisories ALSA-2020:5503ALSA-2020:3732ALSA-2019:3708

  • mariadb-connector-c Rocky Linux 8 3.1.11-2.el8_3
  • mecab Rocky Linux 8 0.996-1.module+el8.3.0+242+87d3366a.9
  • mysql Rocky Linux 8 8.0.21-1.module+el8.3.0+242+87d3366a
  • mecab-ipadic Rocky Linux 8 2.7.0.20070801-16.module+el8.3.0+242+87d3366a
  • asio Rocky Linux 8 1.10.8-7.module+el8.5.0+777+18007c86
  • asio Rocky Linux 8 1.10.8-7.module+el8.3.0+126+a7f7b5c5
  • Judy Rocky Linux 8 1.0.5-18.module+el8.4.0+427+adf35707

rocky linux advisories RLSA-2020:5503RLSA-2020:3732RLSA-2019:3708

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-2021-2007 updated cvss 3.7

mysql: C API unspecified vulnerability (CPU Jan 2021)

  • Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat OpenStack Platform 10 (Newton) mariadb-galera, mariadb-galera-common, mariadb-galera-server
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 13 (Queens) mariadb, mariadb-libs, mariadb-test, mariadb-common, mariadb-config, mariadb-errmsg, +3 more
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) asio 1.10.8-7.module+el8+2765+cfa4f87b, Judy 1.0.5-18.module+el8+2765+cfa4f87b, galera 25.3.26-1.module+el8.1.0+3974+90eded84, mariadb 10.3.17-1.module+el8.1.0+3974+90eded84, mariadb-test 10.3.17-1.module+el8.1.0+3974+90eded84, mariadb-backup 10.3.17-1.module+el8.1.0+3974+90eded84, +8 more Red Hat Enterprise Linux AppStream (v. 8) mariadb-connector-c 3.1.11-2.el8_3, Judy 1.0.5-18.module+el8+2765+cfa4f87b, mariadb-connector-c-config 3.1.11-2.el8_3, mysql 8.0.21-1.module+el8.2.0+7855+47abd494, mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, galera 25.3.26-1.module+el8.1.0+3974+90eded84, +18 more
    fixed: vendor fix RHSA-2019:3708
  • Red Hat Enterprise Linux AppStream E4S (v. 8.0) mariadb-connector-c 3.1.11-2.el8_0, Judy 1.0.5-18.module+el8+2765+cfa4f87b, mariadb-connector-c-config 3.1.11-2.el8_0, mysql 8.0.21-1.module+el8.0.0+7853+3a2b0b25, mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, galera 25.3.31-1.module+el8.0.0+9239+73817dd5, +18 more
    fixed: vendor fix RHSA-2020:5663
  • Red Hat Enterprise Linux AppStream EUS (v. 8.1) mariadb-connector-c 3.1.11-2.el8_1, mariadb-connector-c-config 3.1.11-2.el8_1, mysql 8.0.21-1.module+el8.1.0+7854+62e1520f, mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, mysql-libs 8.0.21-1.module+el8.1.0+7854+62e1520f, mysql-test 8.0.21-1.module+el8.1.0+7854+62e1520f, +5 more
    fixed: vendor fix RHSA-2020:5660
  • Red Hat Enterprise Linux AppStream EUS (v. 8.2) mariadb-connector-c 3.1.11-2.el8_2, mariadb-connector-c-config 3.1.11-2.el8_2
    fixed: vendor fix RHSA-2020:5655
  • Red Hat Enterprise Linux Client (v. 7) mariadb 5.5.65-1.el7, mariadb-libs 5.5.65-1.el7, mariadb-server 5.5.65-1.el7 Red Hat Enterprise Linux Client Optional (v. 7) mariadb-test 5.5.65-1.el7, mariadb-bench 5.5.65-1.el7, mariadb-embedded 5.5.65-1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) mariadb 5.5.65-1.el7, mariadb-libs 5.5.65-1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) mariadb-test 5.5.65-1.el7, mariadb-bench 5.5.65-1.el7, mariadb-server 5.5.65-1.el7, mariadb-embedded 5.5.65-1.el7 Red Hat Enterprise Linux Server (v. 7) mariadb 5.5.65-1.el7, mariadb-libs 5.5.65-1.el7, mariadb-test 5.5.65-1.el7, mariadb-bench 5.5.65-1.el7, mariadb-server 5.5.65-1.el7 Red Hat Enterprise Linux Server Optional (v. 7) mariadb-embedded 5.5.65-1.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) mariadb 5.5.65-1.el7, mariadb-libs 5.5.65-1.el7, mariadb-bench 5.5.65-1.el7, mariadb-server 5.5.65-1.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) mariadb-embedded 5.5.65-1.el7
    fixed: vendor fix RHSA-2020:1100
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql80-mysql 8.0.21-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.21-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.21-1.el7, rh-mysql80-mysql-config 8.0.21-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-mysql80-mysql 8.0.21-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.21-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.21-1.el7, rh-mysql80-mysql-config 8.0.21-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-mysql80-mysql 8.0.21-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.21-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.21-1.el7, rh-mysql80-mysql-config 8.0.21-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql80-mysql 8.0.21-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.21-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.21-1.el7, rh-mysql80-mysql-config 8.0.21-1.el7, +22 more
    fixed: vendor fix RHSA-2020:5246

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 ICSA-26-027-02 updated cvss 3.7

Festo Didactic SE MES PC

  • Festo Didactic SE MES PC shipped_with_Windows_10
    affected: vendor fix

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.31% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
OSV 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami mariadb
>=5.5.0, <5.5.65
>=10.1.0, <10.1.41
>=10.2.0, <10.2.26
>=10.3.0, <10.3.17
>=10.4.0, <10.4.7
5.5.65
10.1.41
10.2.26
10.3.17
10.4.7
bitnami mariadb-min
>=5.5.0, <5.5.65
>=10.1.0, <10.1.41
>=10.2.0, <10.2.26
>=10.3.0, <10.3.17
>=10.4.0, <10.4.7
5.5.65
10.1.41
10.2.26
10.3.17
10.4.7
bitnami mysql-client
>=5.5.0, <5.5.65
>=10.1.0, <10.1.41
>=10.2.0, <10.2.26
>=10.3.0, <10.3.17
>=10.4.0, <10.4.7
5.5.65
10.1.41
10.2.26
10.3.17
10.4.7

Affected products

  • Oracle Corporation MySQL Server

Classification

Technology feeds

References

Sources

Fencer Vulns 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.