ID CVE-2018-4850
Summary A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.
References
Vulnerable Configurations
  • cpe:2.3:o:siemens:simatic_s7-400_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:simatic_s7-400_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-400:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:simatic_s7-400:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-400h_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:simatic_s7-400h_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-400h:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:simatic_s7-400h:-:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 09-10-2019 - 23:41)
Impact:
Exploitability:
CWE NVD-CWE-noinfo
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
refmap via4
bid 104217
confirm
Last major update 09-10-2019 - 23:41
Published 16-05-2018 - 17:29
Last modified 09-10-2019 - 23:41
Back to Top