CVE-2023-1617: Improper Authentication Mechanism in B&R VC4 Visualization
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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-1617?
CVE-2023-1617 is an improper authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules) that allows an unauthenticated attacker to bypass the authentication mechanism of the VC4 visualization on affected devices.
What is the severity of CVE-2023-1617?
The severity of CVE-2023-1617 is critical with a severity value of 9.8.
How does CVE-2023-1617 impact affected devices?
The impact of CVE-2023-1617 depends on the specific configuration and usage of the VC4 visualization on the affected devices.
Which software version of B&R VC4 is affected by CVE-2023-1617?
B&R VC4 versions up to and including 4.73.0 are affected by CVE-2023-1617.
How can I fix CVE-2023-1617?
To fix CVE-2023-1617, it is recommended to update B&R VC4 to a version that is not affected by the vulnerability.