by Kastro
Paper/Archive/CVE-2023-49621

CVE-2023-49621

Siemens SIMATIC CN 4100 — A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7).

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 48.6.486 × 209.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.

Affected

ProductAffectedFixed inSource
SIMATIC CN 4100All versions < V2.7–CNA

Scores by source

siemens (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcert-portal.siemens.com/productcert/pdf/ssa-777015.pdf