# CVE-2024-20767: Adobe ColdFusion Improper Access Control Vulnerability

- Exploited (CISA KEV): yes, added 2024-12-16
- Published: 2024-03-18
- CVSS: 7.4 HIGH (v3.1)
- EPSS: 98.5% (100th percentile)
- CWE: CWE-284

ColdFusion versions 2023.6, 2021.12 and earlier are affected by an Improper Access Control vulnerability that could result in arbitrary file system read. An attacker could leverage this vulnerability to access or modify restricted files. Exploitation of this issue does not require user interaction. Exploitation of this issue requires the admin panel be exposed to the internet.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2024-05-21 | 64 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2024-05-21 · new · rule 200009302
  > Added: signature 200009302 "Adobe ColdFusion Arbitrary File Read" (Information Leakage, risk High), systems: Macromedia ColdFusion. References: CVE-2024-20767.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2024-20767, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2024-20767, 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-2024-20767 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2024-20767