CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2021-44228: Apache Log4j2 Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2021-44228
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.

CSIRTS triage

vendor: Apacheproduct: Log4j2Remote code execution
What
A vulnerability allows remote code execution through unprotected JNDI features.
Who is affected
All deployments using Apache Log4j2 with JNDI features enabled.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Update to the latest version of Apache Log4j2 that addresses this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Log4j2

Get an email when a new Log4j2 advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-12-10
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-44228

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-44228coverage & exploitation statusNVD · CVE.org

More from CISA Known Exploited Vulnerabilities