Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-1617

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
14/04/2023
Last modified:
24/04/2023

Description

Improper Authentication vulnerability in B&amp;R Industrial Automation B&amp;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.<br /> This issue affects B&amp;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.<br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 3.96.8 (excluding)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.0.0 (including) 4.06.4 (including)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.10.0 (including) 4.16.3 (including)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.20.0 (including) 4.26.8 (including)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.30.0 (including) 4.34.7 (excluding)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.40.0 (including) 4.45.1 (including)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.50.0 (including) 4.53.0 (including)
cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:* 4.70.0 (including) 4.73.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools