log4js vulnerabilities and fixes

Recent CVEs affecting log4js, with upgrade or downgrade steps. 1 tracked.

log4js has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2022-01-19. Highest priority: CVE-2022-21704 (score 30/100).

• CVE-2022-21704 MEDIUM 5.5 UPGRADE MITIGATE log4js-node is a port of log4js to node.js

FAQ

How do I fix log4js vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is log4js being exploited right now?

None of the tracked log4js CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which log4js CVE should I patch first?

CVE-2022-21704 currently ranks highest (30/100): log4js-node is a port of log4js to node.js.

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