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Fencer Vulns
medium 6.5

CVE-2020-14765 json

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: FTS).

published 2020-10-21 6 y ago modified 2026-09-08 2 mo ago also BIT-mariadb-2020-14765 , BIT-mariadb-min-2020-14765 , BIT-mysql-client-2020-14765 , EUVD-2020-6901

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: FTS). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Patch / fix

  • bitnami mariadb 10.1.48, 10.2.35, 10.3.26, 10.4.16, 10.5.7
  • bitnami mariadb-min 10.1.48, 10.2.35, 10.3.26, 10.4.16, 10.5.7
  • bitnami mysql-client 10.1.48, 10.2.35, 10.3.26, 10.4.16, 10.5.7
  • mariadb mariadb 10.1.48, 10.2.35, 10.3.26, 10.4.16, 10.5.7
  • mariadb-10.5 Debian 11 1:10.5.8-1

debian advisories DEBIAN-CVE-2020-14765

  • mysql-5.7 Ubuntu 16.04 LTS 5.7.32-0ubuntu0.16.04.1
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.32-0ubuntu0.18.04.1
  • mysql-8.0 Ubuntu 20.04 LTS 8.0.22-0ubuntu0.20.04.2

ubuntu advisories UBUNTU-CVE-2020-14765

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-2021:3811RHSA-2020:5654RHSA-2020:5663RHSA-2020:5665RHSA-2020:5246

  • mariadb104 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 10.4.30-8.5.46
  • lz4 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.8.0-3.5.2
  • python-mysqlclient SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.3.14-8.9.2
  • mariadb-connector-c SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 3.1.22-2.35.1
  • mariadb OpenStack Cloud 7 10.2.36-19.1
  • mariadb SLE Module for Server Applications 15 SP2 10.4.17-3.6.1
  • mariadb SLES for SAP 15, SLES 15-LTSS, SLE Module for Server Applications 15 SP1 +2 more 10.2.36-3.34.4
  • mariadb-connector-c SLES for SAP 15, SLES 15-LTSS, SLE Module for Server Applications 15 SP2 +5 more 3.1.11-3.22.2

suse advisories SUSE-RU-2023:4991-1SUSE-RU-2023:3956-1SUSE-SU-2020:3625-1SUSE-SU-2020:3564-1SUSE-SU-2020:3500-1SUSE-SU-2020:3497-1

  • mariadb openSUSE Leap 15.2 10.4.17-lp152.2.8.1
  • mariadb-connector-c openSUSE Leap 15.2 3.1.11-lp152.4.1
  • mariadb openSUSE Leap 15.1 10.2.36-lp151.2.18.1
  • mariadb-connector-c openSUSE Leap 15.1 3.1.11-lp151.3.15.1

opensuse advisories openSUSE-SU-2020:2254-1openSUSE-SU-2020:2090-1openSUSE-SU-2020:2149-1

  • 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-2021:3590ALSA-2020:5500

  • 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
  • Judy Rocky Linux 8 1.0.5-18.module+el8.4.0+427+adf35707

rocky linux advisories RLSA-2021:3590RLSA-2020:5500

  • mariadb Alpine 3.10 10.3.27-r0
  • mariadb Alpine 3.12, Alpine 3.11 10.4.17-r0
  • mariadb Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 10.5.8-r0

alpine advisories ALPINE-CVE-2020-14765

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2020-14765 updated cvss 6.5

mysql: Server: FTS unspecified vulnerability (CPU Oct 2020)

  • Red Hat Enterprise Linux 5 mysql55-mysql 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 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded
    affected: no fix planned “Will not fix”
  • 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 Software Collections rh-mariadb102-mariadb, rh-mariadb102-mariadb-test, rh-mariadb102-mariadb-bench, rh-mariadb102-mariadb-backup, rh-mariadb102-mariadb-common, rh-mariadb102-mariadb-config, +13 more
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) Judy 1.0.5-18.module+el8+2765+cfa4f87b, mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, mysql 8.0.26-1.module+el8.4.0+12359+b8928c02, galera 25.3.31-1.module+el8.3.0+8843+3f4e42f6, mariadb 10.3.27-3.module+el8.3.0+8972+5e3224e9, mysql-libs 8.0.26-1.module+el8.4.0+12359+b8928c02, +16 more
    fixed: vendor fix RHSA-2020:5500
  • Red Hat Enterprise Linux AppStream E4S (v. 8.0) Judy 1.0.5-18.module+el8+2765+cfa4f87b, galera 25.3.31-1.module+el8.0.0+9239+73817dd5, mariadb 10.3.27-3.module+el8.0.0+9160+9822c5c7, mariadb-test 10.3.27-3.module+el8.0.0+9160+9822c5c7, mariadb-backup 10.3.27-3.module+el8.0.0+9160+9822c5c7, mariadb-common 10.3.27-3.module+el8.0.0+9160+9822c5c7, +7 more
    fixed: vendor fix RHSA-2020:5663
  • Red Hat Enterprise Linux AppStream EUS (v. 8.1) Judy 1.0.5-18.module+el8+2765+cfa4f87b, galera 25.3.31-1.module+el8.1.0+8860+1543d51b, mariadb 10.3.27-3.module+el8.1.0+9159+f0191ef0, mariadb-test 10.3.27-3.module+el8.1.0+9159+f0191ef0, mariadb-backup 10.3.27-3.module+el8.1.0+9159+f0191ef0, mariadb-common 10.3.27-3.module+el8.1.0+9159+f0191ef0, +7 more
    fixed: vendor fix RHSA-2020:5665
show 2 more
  • Red Hat Enterprise Linux AppStream EUS (v. 8.2) Judy 1.0.5-18.module+el8+2765+cfa4f87b, galera 25.3.31-1.module+el8.2.0+8857+d5b3039b, mariadb 10.3.27-3.module+el8.2.0+9158+b3fb2ef4, mariadb-test 10.3.27-3.module+el8.2.0+9158+b3fb2ef4, mariadb-backup 10.3.27-3.module+el8.2.0+9158+b3fb2ef4, mariadb-common 10.3.27-3.module+el8.2.0+9158+b3fb2ef4, +7 more
    fixed: vendor fix RHSA-2020:5654
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql80-mysql 8.0.26-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-mariadb103-galera 25.3.31-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mariadb103-mariadb-test 10.3.27-1.el7, rh-mariadb103-mariadb-backup 10.3.27-1.el7, rh-mariadb103-mariadb-common 10.3.27-1.el7, rh-mariadb103-mariadb-config 10.3.27-1.el7, +13 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-mysql80-mysql 8.0.26-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql80-mysql 8.0.26-1.el7, rh-mariadb103-galera 25.3.31-1.el7, rh-mysql80-mysql-test 8.0.26-1.el7, rh-mariadb103-mariadb 10.3.27-1.el7, rh-mysql80-mysql-common 8.0.26-1.el7, rh-mysql80-mysql-config 8.0.26-1.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 SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 6.8 AV:N/AC:L/Au:S/C:N/I:N/A:C
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami mariadb
>=10.1.0, <10.1.48
>=10.2.0, <10.2.35
>=10.3.0, <10.3.26
>=10.4.0, <10.4.16
>=10.5.0, <10.5.7
10.1.48
10.2.35
10.3.26
10.4.16
10.5.7
bitnami mariadb-min
>=10.1.0, <10.1.48
>=10.2.0, <10.2.35
>=10.3.0, <10.3.26
>=10.4.0, <10.4.16
>=10.5.0, <10.5.7
10.1.48
10.2.35
10.3.26
10.4.16
10.5.7
bitnami mysql-client
>=10.1.0, <10.1.48
>=10.2.0, <10.2.35
>=10.3.0, <10.3.26
>=10.4.0, <10.4.16
>=10.5.0, <10.5.7
10.1.48
10.2.35
10.3.26
10.4.16
10.5.7

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.