CVE-2020-1745

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-28 · updated 2026-06-17
Weakness: CWE-285

Description

A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before and was fixed in 2.0.30.Final. 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.

Affected products

Red Hat undertow: through 2.0.29

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/
https://security.netapp.com/advisory/ntap-20240216-0011/
https://www.cnvd.org.cn/webinfo/show/5415
https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/
https://security.netapp.com/advisory/ntap-20240216-0011/
https://www.cnvd.org.cn/webinfo/show/5415
https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487

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