# CVE-2019-15929: Craft CMS possibility of brute force attempts

> Attackers can brute force elevated session passwords in Craft CMS due to missing rate limits, potentially leading to account takeover.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 24 Oct 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-wvr4-w6cw-4px8

## What is CVE-2019-15929?

CVE-2019-15929 is a critical vulnerability in Craftcms Craft Cms, published on 24 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

In Craft CMS through 3.1.7, the elevated session password prompt was not being rate limited like normal login forms, leading to the possibility of a brute force attempt on them.

Weakness: CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)

## Which versions are affected by CVE-2019-15929?

2 open source packages ship an affected version, including craftcms/cms. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `craftcms/cms` | Packagist | All versions | 3.1.7 |
| `craftcms/cms` | Packagist | All versions | 3.1.7 |

Products: Craftcms Craft Cms.

## How do I fix CVE-2019-15929?

Upgrade craftcms/cms to 3.1.7 or later.

## Is CVE-2019-15929 being exploited?

There is no known exploitation of CVE-2019-15929 in the wild and no public exploit code.

## Other vulnerabilities in Craftcms Craft Cms

- [CVE-2025-32432](https://insights.sbomify.com/CVE-2025-32432/): Craft CMS Code Injection (critical 10.0, exploited in the wild)
- [CVE-2024-56145](https://insights.sbomify.com/CVE-2024-56145/): Craft CMS Code Injection (critical 9.3, exploited in the wild)
- [CVE-2025-23209](https://insights.sbomify.com/CVE-2025-23209/): Craft CMS Code Injection (high 8.1, exploited in the wild)
- [CVE-2025-35939](https://insights.sbomify.com/CVE-2025-35939/): Craft CMS External Control of Assumed-Immutable Web Parameter (medium 6.9, exploited in the wild)
- [CVE-2023-41892](https://insights.sbomify.com/CVE-2023-41892/): Craft CMS Remote Code Execution vulnerability (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-15929 and fix it if it is affected.

What it is: CVE-2019-15929 is a critical vulnerability in Craftcms Craft Cms, published on 24 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-15929 in the wild and no public exploit code.

Affected packages and fixed versions:
- craftcms/cms (Packagist): affected all versions; fixed in 3.1.7
- craftcms/cms (Packagist): affected all versions; fixed in 3.1.7

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-2019-15929/ (Markdown: https://insights.sbomify.com/CVE-2019-15929/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-15929
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-15929
- OSV: https://osv.dev/vulnerability/CVE-2019-15929

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-15929/
Summaries are generated and may contain mistakes; the official description above is the record.