Auth bypass in Siemens Simatic Cn 4100
CVE-2023-49251
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application allows an attacker to add their own login credentials to the device. This allows an atta…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.003 (54.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.
Affected products
- Siemens Simatic Cn 4100 — versions All versions < V2.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2023-49251?
- CVE-2023-49251 is a high-severity vulnerability in Siemens Simatic Cn 4100, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2024-01-09.
- How severe is CVE-2023-49251?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-49251 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.