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Servers and applications

CVE-2021-44832

Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4,…

Severity
Medium 6.6
Published
28 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.2, 2.12.4, 2.17.1
Sources
NVD

Affected software

SoftwareAffected versions
Apache Log4jServers and applications · cpe:a:apache:log4j
  • From 2.13.0 before 2.17.1
  • From 2.4 before 2.12.4
  • From 2.0.1 before 2.3.2
  • Version 2.0
All 9 release lines
  • Version 2.0-beta7
  • Version 2.0-beta8
  • Version 2.0-beta9
  • Version 2.0-rc1
  • Version 2.0-rc2
  • Version 2.0
  • From 2.0.1 before 2.3.2
  • From 2.4 before 2.12.4
  • From 2.13.0 before 2.17.1
Oracle WebLogic ServerServers and applications · cpe:a:oracle:weblogic_server
  • Version 12.2.1.3.0
  • Version 12.2.1.4.0
  • Version 14.1.1.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-44832
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-44832