#  CISA Log4j (CVE-2021-44228) Vulnerability Guidance

This repository provides CISA's guidance and an overview of related software regarding the Log4j vulnerability (CVE-2021-44228).  CISA encourages users and administrators to review the [official Apache release](https://logging.apache.org/log4j/2.x/security.html) and upgrade to Log4j 2.15.0 or apply the recommended mitigations immediately.
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**Official CISA Guidance & Resources:**
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CISA Director Jen Easterly's Statement: [Statement from CISA Director Easterly on “Log4j” Vulnerability](https://www.cisa.gov/news/2021/12/11/statement-cisa-director-easterly-log4j-vulnerability).
</br> CISA Current Activity Alert: [Apache Releases Log4j Version 2.15.0 to Address Critical RCE Vulnerability Under Exploitation](https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/apache-releases-log4j-version-2150-address-critical-rce)
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National Vulnerability Database (NVD) Information: [CVE-2021-44228](https://nvd.nist.gov/vuln/detail/CVE-2021-44228)
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CISA will maintain a list of all publicly available information and vendor-supplied advisories regarding the Log4j vulnerability.

# Status Descriptions

|Status| Description |
|------|-------------|
| Unknown | Status unknown.  Default choice. |
| Affected| Reported to be affected by CVE-2021-44228. |
| Not Affected | Reported to NOT be affected by CVE-2021-44228 and no further action necessary. |
| Fixed | Patch and/or mitigations available (see provided links).  |
| Under Investigation | Vendor investigating status. |

# Software List

| Vendor        | Product         | Version         | Status          | Update Available | Notes | References |  Last Updated |
|:--------------|:----------------|:---------------:|:---------------:|:-----------------|-----------------------|:-------|--------------:|
| Sample-Vendor | Product-A       | 1.15.0          | Affected        | Yes/No [Link]()  | <Statement by vendor, vuln note, etc.>| [Link Here]() | 12/11/2021|