CVE Vulnerabilities

CVE-2023-1617

Improper Authentication

Published: Apr 14, 2023 | Modified: Apr 24, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Vc4 Br-automation 4.70.0 *
Vc4 Br-automation 4.50.0 4.53.0
Vc4 Br-automation 4.40.0 4.45.1
Vc4 Br-automation 4.30.0 *
Vc4 Br-automation 4.20.0 4.26.8
Vc4 Br-automation 4.0.0 4.06.4
Vc4 Br-automation 4.10.0 4.16.3
Vc4 Br-automation * *

Potential Mitigations

References