# CVE-2024-11680: ProjectSend Improper Authentication Vulnerability

- Exploited (CISA KEV): yes, added 2024-12-03
- Published: 2024-11-26
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 91.8% (100th percentile)
- CWE: CWE-306

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2025-01-06 | 41 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-01-06 · new · rule 19587024724e49329d5b482d0d7ca374 · default Block
  > ProjectSend - Remote Code Execution - CVE:CVE-2024-11680. Previous action: Log. New action: Block. New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-01-06-waf-release/

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: passed (0 of 5 requests blocked), template CVE-2024-11680, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 5 requests blocked), template CVE-2024-11680, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2024-11680 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2024-11680