# CVE-2011-4585: Weak cryptography in n/a

> Attackers can sniff network traffic to steal credentials because the password change form fails to use HTTPS even when configured.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:P/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 20 Jul 2012
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-ffr2-q8c8-w5xj

## What is CVE-2011-4585?

CVE-2011-4585 is a medium-severity vulnerability in Moodle Moodle, published on 20 Jul 2012. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

login/change_password.php in Moodle 1.9.x before 1.9.15 does not use https for the change-password form even if the httpslogin option is enabled, which allows remote attackers to obtain credentials by sniffing the network.

Weakness: CWE-16

## Which versions are affected by CVE-2011-4585?

It affects 1 product.


Products: Moodle Moodle.

## How do I fix CVE-2011-4585?

Upgrade to a fixed version.

## Is CVE-2011-4585 being exploited?

There is no known exploitation of CVE-2011-4585 in the wild and no public exploit code.

## Other vulnerabilities in Moodle Moodle

- [CVE-2006-4935](https://insights.sbomify.com/CVE-2006-4935/): File upload in n/a (critical 10.0)
- [CVE-2006-4936](https://insights.sbomify.com/CVE-2006-4936/): Moodle does not properly validate module instance id (critical 10.0)
- [CVE-2004-2233](https://insights.sbomify.com/CVE-2004-2233/): Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors. (critical 10.0)
- [CVE-2004-2235](https://insights.sbomify.com/CVE-2004-2235/): Cross-site scripting in n/a (critical 10.0)
- [CVE-2004-2236](https://insights.sbomify.com/CVE-2004-2236/): Other in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2011-4585 and fix it if it is affected.

What it is: CVE-2011-4585 is a medium-severity vulnerability in Moodle Moodle, published on 20 Jul 2012. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2011-4585 in the wild and no public exploit code.

Affected product: Moodle Moodle. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2011-4585/ (Markdown: https://insights.sbomify.com/CVE-2011-4585/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2011-4585
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-4585
- OSV: https://osv.dev/vulnerability/CVE-2011-4585

---
From sbomify Insights: https://insights.sbomify.com/CVE-2011-4585/
Summaries are generated and may contain mistakes; the official description above is the record.