CVE-2020-1938
tomcat: Apache Tomcat AJP File Read/Inclusion Vulnerability
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 20, 2020
Updated · August 5, 2026
Description
CVE-2020-1938 is a file read/inclusion vulnerability in the AJP connector in Apache Tomcat. This is enabled by default with a default configuration port of 8009. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution (RCE).
Statement
Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251 and CVE page https://access.redhat.com/security/cve/cve-2020-1745
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251
CVSS / CWE
CVSS 3.1 · 7.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS 3.1 · 6.6CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
CWE-285 · Improper Authorization