CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2020-1745
Critical (9.8) in redhat undertow. EPSS 5.0% chance of exploitation in the next 30 days. Fixed in io.undertow:undertow-core 2.0.30.
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.
Severity
- EPSS
- 5.0% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CWE
- CWE-285
- Published
- Modified
- Record from
- the NVD, synced
Affected
- redhat:undertow
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-gv2w-88hx-8m9r | Maven | io.undertow:undertow-core | <2.0.30 | 2.0.30 |
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