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 and upgrade to Log4j 2.15.0 or apply the recommended mitigations immediately.

Official CISA Guidance & Resources:
Webpage: CISA Apache Log4j Vulnerability Guidance
CISA Director Jen Easterly's Statement: Statement from CISA Director Easterly on “Log4j” Vulnerability.
CISA Current Activity Alerts:
Apache Releases Log4j Version 2.15.0 to Address Critical RCE Vulnerability Under Exploitation
CISA Creates Webpage for Apache Log4j Vulnerability CVE-2021-44228
National Vulnerability Database (NVD) Information: CVE-2021-44228

CISA will maintain a list of all publicly available information and vendor-supplied advisories regarding the Log4j vulnerability. This list is not a full list and will be updated continuously. If you have any additional information to share relevant to the Log4j vulnerability, please feel free to open an issue here. We have a template available for your submission. Please also feel free to submit a pull request.

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	Vendor Link	Notes	Other References	Last Updated
Sample-Vendor	Product-A	1.15.0	Affected	Yes/No	Update Link Here	<Statement by vendor, vuln note, etc.>	Link Here	12/11/2021