CVE-2019-9744 json
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.
published 2019-03-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-19107
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-19-155-02 updated cvss 8.8
PHOENIX CONTACT FL NAT SMx
-
Phoenix Contact industrial Ethernet switch FL NAT SMCS 8TX 2989378 Phoenix Contact industrial Ethernet switch FL NAT SMN 8TX 2989365 Phoenix Contact industrial Ethernet switch FL NAT SMN 8TX-M 2702443 Phoenix Contact industrial Ethernet switch FL NAT SMN 8TX-M-DMG 2989352affected: mitigation “Phoenix Contact recommends affected users operate the devices in closed networks or protected with a suitable firewall.” cert.vde.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-384 Session Fixation
References
-
cert.vde.com
/de-de/advisories/vde-2019-006
mitigation, vendor-advisory
- ics-cert.us-cert.gov /advisories/ICSA-19-155-02
-
securityfocus.com
/bid/108576
vdb-entry
Sources
- CVE List CVE-2019-9744
- NVD CVE-2019-9744
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.