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CRITICAL · 9.8

CVE-2023-1617

Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules).  This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication me...

Vulnerability Description

Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules).  This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication mechanism of the VC4 visualization on affected devices. The impact of this vulnerability depends on the functionality provided in the visualization. This issue affects B&R VC4: from 3.* through 3.96.7, from 4.0* through 4.06.7, from 4.1* through 4.16.3, from 4.2* through 4.26.8, from 4.3* through 4.34.6, from 4.4* through 4.45.1, from 4.5* through 4.45.3, from 4.7* through 4.72.9.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Br-AutomationVc4< 3.96.8

Related Weaknesses (CWE)

CWE-287

References

FAQ

What is CVE-2023-1617?

CVE-2023-1617 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules).  This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication me...

How severe is CVE-2023-1617?

CVE-2023-1617 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-1617?

Check the references section above for vendor advisories and patch information. Affected products include: Br-Automation Vc4.