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CVE-2020-2934

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported...

5.0 MediumFix available

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

3.28%Up 1.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 5.0

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Record
CVE-2020-2934
CVSS 3.0
5.0 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
EUVDEUVD-2020-22727 5.0

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Record
EUVD-2020-22727
CVSS 3.0
5.0 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-rhrf-w5v6-jgp3 5.0

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported...

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Record
GHSA-rhrf-w5v6-jgp3
CVSS 3.1
5.0 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
NVD 5.0

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Record
CVE-2020-2934
CVSS 3.1
5.0 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.0
5.0 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 2.0
5.1 MediumAV:N/AC:H/Au:N/C:P/I:P/A:P
Updated
2026-11-02
OSVUBUNTU-CVE-2020-2934 5.0

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

Record
UBUNTU-CVE-2020-2934
CVSS 3.1
5.0 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.0
5.0 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVMGASA-2020-0369 No score

Updated mysql-connector-java package fixes security vulnerability

A flaw was found in the mysql-connector-java package. A complicated attack against the mysql Connector/J allows attackers on the local network to interfere with a user's connection and insert unauthorized SQL commands (CVE-2020-2934).

Record
MGASA-2020-0369
Updated
2026-11-02
OSVopenSUSE-SU-2021:1126-1 No score

Security update for mysql-connector-java

This update for mysql-connector-java fixes the following issues:

  • CVE-2020-2875: Unauthenticated attacker with network access via multiple protocols can compromise MySQL Connectors. (bsc#1173600)
  • CVE-2020-2934: Fixed a vulnerability which could cause a partial denial of service of MySQL Connectors. (bsc#1173600)
  • CVE-2020-2933: Fixed a vulnerability which could allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. (bsc#1173600)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Record
openSUSE-SU-2021:1126-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:2622-1 No score

Security update for mysql-connector-java

This update for mysql-connector-java fixes the following issues:

  • CVE-2020-2875: Unauthenticated attacker with network access via multiple protocols can compromise MySQL Connectors. (bsc#1173600)
  • CVE-2020-2934: Fixed a vulnerability which could cause a partial denial of service of MySQL Connectors. (bsc#1173600)
  • CVE-2020-2933: Fixed a vulnerability which could allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. (bsc#1173600)
Record
openSUSE-SU-2021:2622-1
Updated
2026-11-02
OSVSUSE-SU-2021:2877-1 No score

Security update for mysql-connector-java

This update for mysql-connector-java fixes the following issues:

  • CVE-2020-2875: Unauthenticated attacker with network access via multiple protocols can compromise MySQL Connectors. (bsc#1173600)
  • CVE-2020-2934: Fixed a vulnerability which could cause a partial denial of service of MySQL Connectors. (bsc#1173600)
  • CVE-2020-2933: Fixed a vulnerability which could allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. (bsc#1173600)
Record
SUSE-SU-2021:2877-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mysql-connector-java
Debian:8
From an advisory covering 3 CVEs
before 5.1.49-0+deb8u1, plus listed versions
5.1.32-15.1.37-15.1.38-15.1.39-15.1.39-1~deb7u1
Show 9 moreShow less
5.1.39-1~deb8u15.1.40-15.1.41-15.1.41-1~deb8u15.1.42-15.1.42-1~deb7u15.1.42-1~deb8u15.1.44-15.1.45-1
5.1.49-0+deb8u1
mysql-connector-java
Debian:9
From an advisory covering 3 CVEs
before 5.1.49-0+deb9u1, plus listed versions
5.1.42-15.1.44-15.1.45-1
5.1.49-0+deb9u1
mysql-connector-java
Mageia:7
before 8.0.20-1.mga7
8.0.20-1.mga7
mysql-connector-java
SUSE:HPE Helion OpenStack 8
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
SUSE:OpenStack Cloud 8
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
SUSE:OpenStack Cloud 9
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
SUSE:OpenStack Cloud Crowbar 8
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
SUSE:OpenStack Cloud Crowbar 9
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 3 CVEs
before 5.1.42-5.7.1
5.1.42-5.7.1
mysql-connector-java
Ubuntu:14.04:LTS
All versions, plus listed versions
5.1.25-15.1.26-15.1.27-15.1.28-1
None known
Show 4 moreShow less
Affected packages
PackageAffectedFixed
mysql-connector-java
Ubuntu:16.04:LTS
All versions, plus listed versions
5.1.32-15.1.38-1
None known
mysql-connector-java
Ubuntu:18.04:LTS
All versions, plus listed versions
5.1.42-15.1.44-15.1.45-1
None known
mysql-connector-java
openSUSE:Leap 15.2
From an advisory covering 3 CVEs
before 5.1.47-lp152.2.3.1
5.1.47-lp152.2.3.1
mysql-connector-java
openSUSE:Leap 15.3
From an advisory covering 3 CVEs
before 5.1.47-3.3.1
5.1.47-3.3.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-2934 is a medium vulnerability (CVSS 5.0) in Debian Linux, published April 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.28%, the 88th percentile. Fixed in mysql-connector-java 8.0.20-1.mga7.

References

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