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Fencer Intel
medium 5.0

CVE-2020-2934 json

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

published 6y ago modified 4mo ago also EUVD-2020-22727

cvss
5.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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).

Patch / fix

  • mysql-connector-java SLE Software Development Kit 12 SP5, OpenStack Cloud Crowbar 9, OpenStack Cloud Crowbar 8 +3 more 5.1.42-5.7.1

suse advisories SUSE-SU-2021:2877-1

  • mysql-connector-java openSUSE Leap 15.2 5.1.47-lp152.2.3.1
  • mysql-connector-java openSUSE Leap 15.3 5.1.47-3.3.1

opensuse advisories openSUSE-SU-2021:1126-1openSUSE-SU-2021:2622-1

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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-2020-2934 updated cvss 5.0

mysql-connector-java: allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors which could result in unauthorized update, insert or delete

  • Red Hat Enterprise Linux 6 mysql-connector-java
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 mysql-connector-java
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Data Virtualization 6 mysql-connector-java Red Hat JBoss Enterprise Application Platform 6 mysql-connector-java Red Hat JBoss Fuse Service Works 6 mysql-connector-java
    affected: no fix planned “Out of support scope”
  • Red Hat Fuse 7.10
    fixed: vendor fix RHSA-2021:5134
  • Red Hat RHDM 7.9.0
    fixed: vendor fix RHSA-2020:4960
  • Red Hat RHPAM 7.9.0
    fixed: vendor fix RHSA-2020:4961
  • Red Hat build of Debezium 1 mysql-connector-java Red Hat build of Quarkus mysql-connector-java Red Hat Integration Camel K 1 mysql-connector-java Red Hat JBoss Enterprise Application Platform 7 mysql-connector-java Red Hat JBoss Enterprise Application Platform Continuous Delivery mysql-connector-java
    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

3.28% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected products

  • Oracle Corporation WebLogic Server

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.