6.6 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:H/Au:N/C:P/I:P/A:C
6.7 Medium
AI Score
Confidence
Low
0.002 Low
EPSS
Percentile
58.4%
Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate across different customers’ installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate’s trust relationship.