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Finding #93 — CVE-2021-44228

Inventory item apache-test 2.4.37 (software, apache)
TitleApache Log4j2: Apache Log4j2 Deserialization of Untrusted Data Vulnerability
Matchkeyword / confidence low
Statusnew
First seen2026-06-11T07:35:12Z
Last updated2026-06-11T07:35:12Z
CVECVE-2021-44228 KEV since 2021-12-10
CVSS10.0 (CRITICAL)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
DescriptionApache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.
Source advisoryApache Log4j2: Apache Log4j2 Deserialization of Untrusted Data Vulnerability
Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.
Referenceshttp://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html
http://packetstormsecurity.com/files/165260/VMware-Security-Advisory-2021-0028.html
http://packetstormsecurity.com/files/165261/Apache-Log4j2-2.14.1-Information-Disclosure.html
http://packetstormsecurity.com/files/165270/Apache-Log4j2-2.14.1-Remote-Code-Execution.html
http://packetstormsecurity.com/files/165281/Log4j2-Log4Shell-Regexes.html
http://packetstormsecurity.com/files/165282/Log4j-Payload-Generator.html
http://packetstormsecurity.com/files/165306/L4sh-Log4j-Remote-Code-Execution.html
http://packetstormsecurity.com/files/165307/Log4j-Remote-Code-Execution-Word-Bypassing.html
http://packetstormsecurity.com/files/165311/log4j-scan-Extensive-Scanner.html
http://packetstormsecurity.com/files/165371/VMware-Security-Advisory-2021-0028.4.html
http://packetstormsecurity.com/files/165532/Log4Shell-HTTP-Header-Injection.html
http://packetstormsecurity.com/files/165642/VMware-vCenter-Server-Unauthenticated-Log4Shell-JNDI-Injection-Remote-Code-Execution.html
http://packetstormsecurity.com/files/165673/UniFi-Network-Application-Unauthenticated-Log4Shell-Remote-Code-Execution.html
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
http://packetstormsecurity.com/files/167917/MobileIron-Log4Shell-Remote-Command-Execution.html

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