critical
CVE-2020-1745
undertow: AJP File Read/Inclusion Vulnerability
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA8.6CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Red Hat7.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by GHSA (high), Red Hat (high).
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 packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | apache-tomcat | 8.5.51-1.ph1 |
| Photon OS 2.0 | apache-tomcat | 8.5.51-1.ph2 |
| Photon OS 3.0 | apache-tomcat | 8.5.51-1.ph3 |
| debian 14 | undertow | 2.0.30-1 |
| maven::GitHub Security Advisory Maven | io.undertow:undertow-core | 2.0.30 |
| Red Hat | opendaylight | no fix listed |
References
- https://access.redhat.com/security/cve/CVE-2020-1745
- 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://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/
- https://nvd.nist.gov/vuln/detail/CVE-2020-1745
- https://security.netapp.com/advisory/ntap-20240216-0011/
- https://www.cnvd.org.cn/webinfo/show/5415
- https://www.cve.org/CVERecord?id=CVE-2020-1745