{"id":"CVE-2023-1617","state":"PUBLISHED","title":"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.\nThis 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.\n\n","publishedAt":"2023-04-14T11:48:53.396Z","updatedAt":"2025-02-06T19:48:05.890Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"ABB"},"assigner":"ABB","products":["B&R Industrial Automation B&R VC4"],"affected":[{"vendor":"B&R Industrial Automation","product":"B&R VC4","defaultStatus":"unaffected","versions":[{"version":"3.*","status":"affected","lessThanOrEqual":"3.96.7","versionType":"custom"},{"version":"4.0*","status":"affected","lessThanOrEqual":"4.06.7","versionType":"custom"},{"version":"4.1*","status":"affected","lessThanOrEqual":"4.16.3","versionType":"custom"},{"version":"4.2*","status":"affected","lessThanOrEqual":"4.26.8","versionType":"custom"},{"version":"4.3*","status":"affected","lessThanOrEqual":"4.34.6","versionType":"custom"},{"version":"4.4*","status":"affected","lessThanOrEqual":"4.45.1","versionType":"custom"},{"version":"4.5*","status":"affected","lessThanOrEqual":"4.45.3","versionType":"custom"},{"version":"4.7*","status":"affected","lessThanOrEqual":"4.72.9","versionType":"custom"}],"modules":["VNC-Server"]}],"references":["https://www.br-automation.com/downloads_br_productcatalogue/assets/1681046878970-en-original-1.0.pdf"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/1xxx/CVE-2023-1617.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-1617","state":"PUBLISHED","datePublished":"2023-04-14T11:48:53.396Z","dateUpdated":"2025-02-06T19:48:05.890Z","assignerShortName":"ABB","assignerOrgId":"2b718523-d88f-4f37-9bbd-300c20644bf9","dateReserved":"2023-03-24T07:13:36.844Z"},"containers":{"cna":{"title":"Improper Authentication Mechanism in B&R VC4 Visualization","descriptions":[{"lang":"en","value":"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. 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