# Remote code injection in Log4j (through pax-logging-log4j2)

Source: https://junglewise.ai/threats/remote-code-injection-in-log4j-through-pax-logging-log4j2-f0ea4c36  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-12-10  
License: CC BY 4.0 with a link back

Severity: info · Published 2021-12-10

Remote code injection in Log4j (through pax-logging-log4j2)

Technologies: [org.ops4j.pax.logging:pax-logging-log4j2 (Maven)](https://junglewise.ai/threats/technologies/org-ops4j-pax-logging-pax-logging-log4j2). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 10 December 2021.

**Which products and versions are affected?** org.ops4j.pax.logging:pax-logging-log4j2 (Maven) ECOSYSTEM:introduced=2.0.0,fixed=2.0.11.

**Is there a fix for This vulnerability?** Yes. org.ops4j.pax.logging:pax-logging-log4j2 (Maven): upgrade to 2.0.11 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run org.ops4j.pax.logging:pax-logging-log4j2 (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.ops4j.pax.logging:pax-logging-log4j2 (Maven): upgrade to 2.0.11 or later

  ```sh
  # set org.ops4j.pax.logging:pax-logging-log4j2 to 2.0.11 in your pom.xml or build.gradle
  ```


## Affected products

- org.ops4j.pax.logging:pax-logging-log4j2 (Maven) ECOSYSTEM:introduced=2.0.0,fixed=2.0.11

## Related threats

- [Apache Log4j2 remote code execution via JDBC Appender JNDI injection](https://junglewise.ai/threats/cve-2021-44832-apache-log4j2-remote-code-execution-via-jdbc-appender-jndi)
- [Apache Log4j2 uncontrolled recursion in self-referential lookups](https://junglewise.ai/threats/cve-2021-45105-apache-log4j2-uncontrolled-recursion-in-self-referential-lookups)
- [Incomplete fix for Apache Log4j vulnerability](https://junglewise.ai/threats/cve-2021-45046-apache-log4j2-deserialization-of-untrusted-data-vulnerability)
- [Remote code injection in Log4j](https://junglewise.ai/threats/cve-2021-44228-apache-log4j2-remote-code-execution-vulnerability)