CVE-2023-49251 — HIGH (8.8)

Q: How severe is CVE-2023-49251?

CVE-2023-49251 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-49251?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Cn 4100 Firmware, Siemens Simatic Cn 4100.

Vulnerability Description

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 attacker to remotely login as root and take control of the device even after the affected device is fully set up.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Simatic Cn 4100 Firmware	< 2.7
Siemens	Simatic Cn 4100	-

Related Weaknesses (CWE)

CWE-639

References

https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdfPatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdfPatchVendor Advisory

FAQ

What is CVE-2023-49251?

CVE-2023-49251 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 credent...

How severe is CVE-2023-49251?

CVE-2023-49251 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-49251?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Cn 4100 Firmware, Siemens Simatic Cn 4100.