CVE-2023-1617

Improper Authentication Mechanism in B&R VC4 Visualization

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory br-automation.com
Affected: B&R Industrial Automation B&R VC4
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-1617?
CVE-2023-1617 has been scored as a critical severity vulnerability.
How to fix CVE-2023-1617?
To fix CVE-2023-1617, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-1617 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-1617 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-1617?
CVE-2023-1617 affects B&R Industrial Automation B&R VC4.
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