CVE-2023-48365 — Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated…¶

Key facts

CVE-2023-48365 is a Critical (9.6) vulnerability: Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-01-13), confirming active exploitation in the wild, and is linked to known ransomware campaigns.

Actively exploited — on the CISA KEV catalog

CVE-2023-48365 is listed on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-01-13), confirming exploitation in the wild. It is linked to known ransomware campaigns. Federal remediation deadline: 2025-02-03. Prioritise patching and deploy the detection and prevention rules below.


CVE	CVE-2023-48365
Severity	Critical (9.6)
CISA KEV	Actively exploited (added 2025-01-13) · ransomware
Detection / prevention	—
PoC	poc.py
Source	2023/CVE-2023-48365/

Details¶

English | 한국어

Description¶

Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP requests on the backend server that hosts the repository application. The fixed versions are August 2023 Patch 2, May 2023 Patch 6, February 2023 Patch 10, November 2022 Patch 12, August 2022 Patch 14, May 2022 Patch 16, February 2022 Patch 15, and November 2021 Patch 17. NOTE: this issue exists because of an incomplete fix for CVE-2023-41265.

Vulnerability Details¶

Property	Value
CVE ID	CVE-2023-48365
Type	RCE
CVSS Score	9.6

Proof of Concept¶

Download¶

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2023/CVE-2023-48365/poc.py

Usage¶

# Run PoC against target
python3 poc.py --target <TARGET_URL>

# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>

⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.

Test Lab¶

This repository includes a Docker-based test environment with both vulnerable and patched applications.

Quick Start¶

# Clone and navigate to CVE directory
cd CVE-2023-48365

# Start both applications
docker-compose up -d

# Run tests
./run-tests.sh    # Linux/Mac
./run-tests.ps1   # Windows PowerShell

Application Endpoints¶

Application	URL	Status
Vulnerable App	http://localhost:8080	Shows vulnerability
Patched App	http://localhost:8081	Demonstrates fix

Directory Structure¶

├── README.md           # English documentation
├── README_KO.md        # Korean documentation
├── poc.py              # PoC detection script
├── docker-compose.yml  # Container orchestration
├── run-tests.sh        # Linux/Mac test runner
├── run-tests.ps1       # Windows test runner
├── vulnerable-app/     # Vulnerable version
│   ├── app.py
│   ├── Dockerfile
│   └── requirements.txt
└── patched-app/        # Fixed version
    ├── app.py
    ├── Dockerfile
    └── requirements.txt

References¶

https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/tac-p/2120510
https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/tac-p/2120510
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-48365

Generated by PoC Generator on 2026-07-08T08:04:51.950378442

Frequently asked questions¶

What is CVE-2023-48365?¶

CVE-2023-48365 is a Critical (9.6) vulnerability: Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-01-13), confirming active exploitation in the wild, and is linked to known ransomware campaigns.

How do I detect CVE-2023-48365?¶

Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.

How do I block or mitigate CVE-2023-48365?¶

Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.

Is CVE-2023-48365 actively exploited?¶

Yes. CVE-2023-48365 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2025-01-13, which means it has been exploited in the wild. CISA also links it to known ransomware campaigns. CISA set a federal remediation deadline of 2025-02-03. Prioritise patching and deploy the detection and prevention rules above.

For authorized security testing and research only. See the full source and NVD record.