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CVE-2020-2790

Published: 15 April 2020

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.28 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 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Notes

AuthorNote
leosilva
since 5.5 is no longer upstream supported and so far we cannot
patch it, marking it as ignored.
mdeslaur
MySQL 5.7 only

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
mysql-5.5
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

hirsute Does not exist

kinetic Does not exist

lunar Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Ignored

upstream Needs triage

vivid Does not exist

xenial Does not exist

mantic Does not exist

mariadb-10.0
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

upstream Not vulnerable

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

lunar Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

mantic Does not exist

mariadb-10.1
Launchpad, Ubuntu, Debian
eoan Does not exist

focal Does not exist

trusty Does not exist

xenial Does not exist

bionic Not vulnerable

hirsute Does not exist

kinetic Does not exist

lunar Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

upstream Not vulnerable

mantic Does not exist

mariadb-10.3
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Ignored
(end of life)
trusty Does not exist

xenial Does not exist

hirsute Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable

groovy Ignored
(end of life)
impish Does not exist

jammy Does not exist

upstream Not vulnerable

mantic Does not exist

percona-server-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

lunar Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

mariadb-5.5
Launchpad, Ubuntu, Debian
hirsute Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Does not exist

mantic Does not exist

mysql-5.6
Launchpad, Ubuntu, Debian
hirsute Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

mysql-5.7
Launchpad, Ubuntu, Debian
hirsute Does not exist

kinetic Does not exist

lunar Does not exist

bionic
Released (5.7.29-0ubuntu0.18.04.1)
eoan Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream
Released (5.7.29)
xenial
Released (5.7.29-0ubuntu0.16.04.1)
mantic Does not exist

mysql-8.0
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
bionic Does not exist

eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable
(code not present)
xenial Does not exist

mantic Not vulnerable
(code not present)
percona-xtradb-cluster-5.6
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

percona-xtradb-cluster-5.5
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H