CVE-2025-31984

import requests # Proof of Concept: Check for missing X-Content-Type-Options header target_url = "http://target-hcl-bigfix-server/path" try: response = requests.get(target_url) headers = response.headers # Check if the security header is missing or not set to 'nosniff' x_content_type_options = headers.get("X-Content-Type-Options") if x_content_type_options != "nosniff": print("[+] Vulnerability Detected: X-Content-Type-Options header is missing or insecure.") print(f"[-] Current Value: {x_content_type_options}") else: print("[-] Target is not vulnerable.") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2025-31984", "sourceIdentifier": "[email protected]", "published": "2026-05-06T15:16:07.900", "lastModified": "2026-05-07T16:25:03.180", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL BigFix Service Management (SM) is affected by a security misconfiguration due to a missing or insecure “X-Content-Type-Options” header. This could allow browsers to perform MIME-type sniffing, potentially causing malicious content to be interpreted and executed incorrectly."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L", "baseScore": 3.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.2, "impactScore": 2.5}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}], "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"]}]}}