CVE-2021-34427
In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-34427- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-434
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-34427- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-21085 No score
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.
- Record
EUVD-2021-21085- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c7m8-c6v2-pxw4
In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP...
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.
- Record
GHSA-c7m8-c6v2-pxw4- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-434
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-34427- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Eclipse BIRT Viewer - Remote Code Execution | |
| PoC in GitHub | rt1252/CVE-2021-34427 | 2026-06-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34427 is a critical vulnerability (CVSS 9.8) in The Eclipse Foundation Eclipse Birt, published June 25, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 58.0%, the 99th percentile. No source names a fixed version.