Description
In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP file which is accessible from remote (current BIRT viewer dir) to inject JSP code into the running instance.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Eclipse Foundation | Eclipse BIRT | unspecified – ≤ 4.8.0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
rt1252/CVE-2021-34427 ★ 0 · Jun 17, 2026
Windows POC for CVE-2021-34427 affecting Birt Viewer
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Eclipse BIRT Viewer - Remote Code Execution http/cves/2021/CVE-2021-34427.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=538142
- 20221220 SEC Consult SA-20221216-0 :: Remote code execution bypass in Eclipse Business Intelligence Reporting Tool (BiRT) mailing-list
- http://packetstormsecurity.com/files/170326/Eclipse-Business-Intelligence-Reporting-Tool-4.11.0-Remote-Code-Execution.html