{"cve":{"cve_id":"CVE-2025-57819","is_kev":true,"kev_date_added":"2025-08-29","kev_vendor_project":"Sangoma","kev_product":"FreePBX","kev_vulnerability_name":"Sangoma FreePBX Authentication Bypass Vulnerability","kev_short_description":"Sangoma FreePBX contains an authentication bypass vulnerability due to insufficiently sanitized user-supplied data allows unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution.","kev_required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2025-09-19","kev_known_ransomware":false,"kev_notes":"https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h ; https://nvd.nist.gov/vuln/detail/CVE-2025-57819","kev_cwes":["CWE-89","CWE-288"],"epss_score":0.85463,"epss_percentile":0.99708,"epss_as_of":"2026-09-15","description":"FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.","published_at":"2025-08-28T16:45:18.749000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":10.0,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-89","CWE-288"],"nvd_references":["https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h","https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T23:46:59.033383Z"},"effective_severity":"CRITICAL","badges":["kev","exploit","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"H","value_label":"High"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"H","value_label":"High"},{"metric":"SA","name":"Availability (Subsequent System)","value":"H","value_label":"High"}]},"affected":[{"vendor_slug":"freepbx","vendor_name":"FreePBX","product_slug":"endpoint","product_name":"endpoint","version_start":"< 15.0.66","version_start_inclusive":true,"version_end":"< 15.0.66","version_end_inclusive":true,"cpe23_uri":"cve5:freepbx:endpoint:< 15.0.66:< 15.0.66"},{"vendor_slug":"freepbx","vendor_name":"FreePBX","product_slug":"endpoint","product_name":"endpoint","version_start":"< 16.0.89","version_start_inclusive":true,"version_end":"< 16.0.89","version_end_inclusive":true,"cpe23_uri":"cve5:freepbx:endpoint:< 16.0.89:< 16.0.89"},{"vendor_slug":"freepbx","vendor_name":"FreePBX","product_slug":"endpoint","product_name":"endpoint","version_start":"< 17.0.3","version_start_inclusive":true,"version_end":"< 17.0.3","version_end_inclusive":true,"cpe23_uri":"cve5:freepbx:endpoint:< 17.0.3:< 17.0.3"}],"exploit_refs":[{"source":"exploit-db","kind":"exploit-db","url":"https://www.exploit-db.com/exploits/52681","title":"FreePBX  17.0.2 - Remote Code Execution (RCE)","author":"Jared Brits","disclosed_at":"2026-09-03"},{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/backdoor/freepbx-cleanup-backdoor.yaml","title":"FreePBX - CVE-2025-57819 Backdoor","author":"darses","disclosed_at":null},{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-57819.yaml","title":"FreePBX - Remote Code Execution","author":"watchtowr,pussycat0x,DhiyaneshDk","disclosed_at":null}],"news":[],"references":[{"url":"https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2025-08-28T16:45:18.749000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2025-08-29T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"cvss_changed","at":"2026-06-28T17:48:04.414179Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:48:04.414179Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:48:04.414179Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"exploit_known","at":"2026-09-03T00:00:00Z","label":"Public exploit available","source":"exploit-db"}]}