https://vulnerability.circl.lu/sightings/feed 2026-05-29T17:30:24.246993+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/9f80c8de-94d8-4969-b48f-68c7a4130da7/export 2026-05-29T17:30:24.612470+00:00 Automation user https://cve.circl.lu/user/automation {"uuid": "9f80c8de-94d8-4969-b48f-68c7a4130da7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-34823", "type": "seen", "source": "https://t.me/cibsecurity/27318", "content": "\u203c CVE-2021-34823 \u203c\n\nThe ON24 ScreenShare (aka DesktopScreenShare.app) plugin before 2.0 for macOS allows remote file access via its built-in HTTP server. This allows unauthenticated remote users to retrieve files accessible to the logged-on macOS user. When a remote user sends a crafted HTTP request to the server, it triggers a code path that will download a configuration file from a specified remote machine over HTTP. There is an XXE flaw in processing of this configuration file that allows reading local (to macOS) files and uploading them to remote machines.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-13T20:41:12.000000Z"} 2021-08-13T20:41:12+00:00