Vulnerability in Apache Tomcat

CVE-2022-45143

The JsonErrorReportValve in Apache Tomcat 8.5.83, 9.0.40 to 9.0.68 and 10.1.0-M1 to 10.1.1 did not escape the type, message or description values. In some circumstances these are constructed from user provided data and it was therefore possible for users to supply values that invalidated or manipulated the JSON output.

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-45143?
CVE-2022-45143 is a high-severity vulnerability in Apache Tomcat, classified under Improper Encoding or Escaping of Output. CVSS score: 7.5/10. Published 2023-01-03.
How severe is CVE-2022-45143?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-45143 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.