{"id":"CVE-2019-9744","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-9744","generatedAt":"2026-10-27T21:15:30.671Z","title":"There is unauthorized access to the WEB-UI by attackers arriving from the same source IP address as an authenticated user, because this IP address is used as a session identifier.","description":"An issue was discovered on PHOENIX CONTACT FL NAT SMCS 8TX, FL NAT SMN 8TX, FL NAT SMN 8TX-M, and FL NAT SMN 8TX-M-DMG devices. There is unauthorized access to the WEB-UI by attackers arriving from the same source IP address as an authenticated user, because this IP address is used as a session identifier.","published":"2019-03-26T20:29:01.000Z","lastModified":"2026-06-17T02:44:16.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-384"],"affected":["phoenixcontact/fl nat smn 8tx-m-dmg firmware","phoenixcontact/fl nat smn 8tx-m firmware","phoenixcontact/fl nat smn 8tx firmware","phoenixcontact/fl nat smcs 8tx firmware"],"epss":{"score":0.01638,"percentile":0.7618,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/108576","source":"cve@mitre.org"},{"url":"https://cert.vde.com/de-de/advisories/vde-2019-006","tags":["Mitigation","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/108576","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert.vde.com/de-de/advisories/vde-2019-006","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9744","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}