---
cve: "CVE-2025-66571"
severity: "CRITICAL"
cvss: 9.3
epss: "60%"
vendor: "Unknown"
kev: false
exploited: false
published: "2025-12-04 21:16:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T16:48:51+02:00"
---

# CVE-2025-66571

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

UNA CMS versions 9.0.0-RC1 - 14.0.0-RC4 contain a PHP object injection vulnerability in BxBaseMenuSetAclLevel.php where the profile_id POST parameter is passed to PHP unserialize() without proper handling, allowing remote, unauthenticated attackers to inject arbitrary PHP objects and potentially write and execute arbitrary PHP code.

## 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/52139>
- <https://unacms.com>
- <https://github.com/unacms/una>
- <https://karmainsecurity.com/KIS-2025-01>
- <https://www.vulncheck.com/advisories/una-cms-900-rc1-1400-rc4-php-object-injection>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-66571) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_