Vulnerability Details : CVE-2019-9744
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.
Vulnerability category: Bypass
Products affected by CVE-2019-9744
- cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx-m-dmg_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx-m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:fl_nat_smcs_8tx_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9744
0.42%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9744
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2019-9744
-
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9744
-
https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02
PHOENIX CONTACT FL NAT SMx | CISA
-
http://www.securityfocus.com/bid/108576
Phoenix Contact FL NAT SMx Ethernet Switches CVE-2019-9744 Authorization Bypass Vulnerability
-
https://cert.vde.com/de-de/advisories/vde-2019-006
PHOENIX CONTACT unauthorized access to WEB-UI on FL NAT SMx — German (Germany)Mitigation;Vendor Advisory
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