SQL Injection in Apache Log4j

CVE-2022-23305

By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to be inserted are converters from PatternLayout. The message converter, %m, is likely to always be included. This allows att…

Vulnerability class: SQL Injection

EPSS: 0.095 (93.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23305?
CVE-2022-23305 is a critical-severity vulnerability in Apache Log4j, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-01-18.
How severe is CVE-2022-23305?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-23305 known to be exploited?
39 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.