CVE-2019-9744
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.
Does this matter?
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.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.64% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- 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
- Source
- cve@mitre.org
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/108576
- https://cert.vde.com/de-de/advisories/vde-2019-006Mitigation, Vendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02
- http://www.securityfocus.com/bid/108576
- https://cert.vde.com/de-de/advisories/vde-2019-006Mitigation, Vendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.