---
cve: "CVE-2023-53894"
severity: "CRITICAL"
cvss: 9.3
epss: "63%"
vendor: "Dulldusk"
kev: false
exploited: false
published: "2025-12-16 17:16:01"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T03:18:50+02:00"
---

# CVE-2023-53894

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

phpfm 1.7.9 contains an authentication bypass vulnerability that allows attackers to log in by exploiting loose type comparison in password hash validation. Attackers can craft specific password hashes beginning with 0e or 00e to bypass authentication and upload malicious PHP files to the server.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.exploit-db.com/exploits/51594>
- <https://www.dulldusk.com/phpfm/>
- <https://www.vulncheck.com/advisories/phpfm-authentication-bypass-via-type-juggling-vulnerability>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-53894) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_