Paper/Archive/CVE-2023-1617

CVE-2023-1617

B&R Industrial Automation B&R VC4 — Improper Authentication Mechanism in B&R VC4 Visualization

Description · from the CVE record

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

ProductAffectedFixed inSource
B&R VC43.* – 3.96.7–CNA
B&R VC44.0* – 4.06.7–CNA
B&R VC44.1* – 4.16.3–CNA
B&R VC44.2* – 4.26.8–CNA
B&R VC44.3* – 4.34.6–CNA
B&R VC44.4* – 4.45.1–CNA
B&R VC44.5* – 4.45.3–CNA
B&R VC44.7* – 4.72.9–CNA

Scores by source

ABB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbr-automation.com/downloads_br_productcatalogue/assets/1681046878970-en-original-1.0.pdf