March 3, 2022 · Applied Cybernetics Group
CVE-2020-1938 — Apache Tomcat
Apache Tomcat Improper Privilege Management Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-17- Vendor
- Apache
- Product
- Tomcat
- EPSS
- 99.9th percentile (score 0.993, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-1938
CISA short description
Apache Tomcat treats Apache JServ Protocol (AJP) connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited.
Required action
Apply updates per vendor instructions.