CVE-2026-0510

# CVE-2026-0510 PoC - SAP NetWeaver UME Weak Encryption Detection # This PoC demonstrates detection of weak encryption usage in UME import base64 import json def simulate_ume_encryption_check(): """ Simulate checking for obsolete encryption in UME User Mapping This PoC shows how to identify weak encryption patterns """ # Weak encryption indicators in SAP UME weak_encryption_patterns = [ "DES", "3DES", "RC4", "MD5", "SHA1" ] # Check if UME is using weak encryption encryption_algo = "DES" # Example: Obsolete algorithm detected if encryption_algo in weak_encryption_patterns: print(f"[!] WARNING: UME using obsolete encryption: {encryption_algo}") print(f"[*] Affected component: User Management Engine (UME)") print(f"[*] Data at risk: User Mapping encryption") return True return False def generate_detection_script(): """ Generate detection script for CVE-2026-0510 """ script = '''#!/bin/bash # SAP NetWeaver UME Encryption Check Script # CVE-2026-0510 Detection echo "Checking SAP NetWeaver UME encryption configuration..." echo "Reference: SAP Note 3593356" # Check for weak encryption configurations # This requires access to UME configuration files ENCRYPTION_CONFIG=$(grep -r "encryption.algorithm" /usr/sap/*/J00/config/ 2>/dev/null) if echo "$ENCRYPTION_CONFIG" | grep -E "DES|3DES|RC4"; then echo "[CRITICAL] Obsolete encryption algorithm detected!" echo "Vulnerable to CVE-2026-0510" exit 1 fi echo "[OK] No weak encryption patterns detected" ''' return script if __name__ == "__main__": print("CVE-2026-0510 - SAP NetWeaver UME Weak Encryption") print("=" * 50) simulate_ume_encryption_check() print("\nDetection script generated.")

{"cve": {"id": "CVE-2026-0510", "sourceIdentifier": "[email protected]", "published": "2026-01-13T02:15:53.597", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The User Management Engine (UME) in NetWeaver Application Server for Java (NW AS Java) utilizes an obsolete cryptographic algorithm for encrypting User Mapping data. This weakness could allow an attacker with high-privileged access to exploit the vulnerability under specific conditions potentially leading to partial disclosure of sensitive information.This has low impact on confidentiality with no impact on integrity and availability of the application."}, {"lang": "es", "value": "El User Management Engine (UME) en NetWeaver Servidor de Aplicaciones para Java (NW AS Java) utiliza un algoritmo criptográfico obsoleto para cifrar datos de mapeo de usuarios. Esta debilidad podría permitir a un atacante con acceso de altos privilegios explotar la vulnerabilidad bajo condiciones específicas, lo que podría llevar a la divulgación parcial de información sensible. Esto tiene bajo impacto en la confidencialidad, sin impacto en la integridad y disponibilidad de la aplicación."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N", "baseScore": 3.0, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-326"}]}], "references": [{"url": "https://me.sap.com/notes/3593356", "source": "[email protected]"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "[email protected]"}]}}