{"id":"CVE-2025-27127","aliases":["EUVD-2025-20444","GHSA-9rr2-q86m-gg2c"],"status":"published","title":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project...","description":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions \u003c V19 Update 4), Totally Integrated Automation Portal (TIA Portal) V20 (All versions \u003c V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00325,"percentile":0.25762,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2025-07-08T10:34:31Z","modified":"2026-06-17T09:03:03Z","products":[{"vendor":"siemens","product":"tia project-server"},{"vendor":"siemens","product":"tia project-server v17"},{"vendor":"siemens","product":"totally integrated automation portal (tia portal) v17"},{"vendor":"siemens","product":"totally integrated automation portal (tia portal) v18"},{"vendor":"siemens","product":"totally integrated automation portal (tia portal) v19"},{"vendor":"siemens","product":"totally integrated automation portal (tia portal) v20"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-460466.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27127"},{"url":"https://github.com/advisories/GHSA-9rr2-q86m-gg2c"}],"sources":{"cve":[{"id":"CVE-2025-27127","description":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions \u003c V19 Update 4), Totally Integrated Automation Portal (TIA Portal) V20 (All versions \u003c V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.","status":"published","published":"2025-07-08T10:34:31.542Z","modified":"2025-08-12T11:16:54.752Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-20444","description":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions \u003c V19 Update 4), Totally Integrated Automation Portal (TIA Portal) V20 (All versions \u003c V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.","status":"published","published":"2025-07-08T10:34:31Z","modified":"2025-08-12T11:16:54Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:59.474585Z"}],"ghsa":[{"id":"GHSA-9rr2-q86m-gg2c","title":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project...","description":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions \u003c V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.","status":"published","published":"2025-07-08T12:31:02Z","modified":"2025-07-08T12:31:09Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:02:56.056966Z"}],"nvd":[{"id":"CVE-2025-27127","description":"A vulnerability has been identified in TIA Project-Server (All versions \u003c V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions \u003c V19 Update 4), Totally Integrated Automation Portal (TIA Portal) V20 (All versions \u003c V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.","status":"published","published":"2025-07-08T11:15:27.07Z","modified":"2026-06-17T09:03:03.757Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:11:16.997062Z"}]}}