{"id":"CVE-2023-34353","aliases":["EUVD-2023-38433","GHSA-gwcv-7xq5-34jj"],"status":"published","title":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of...","description":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01211,"percentile":0.68734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-330"],"published":"2023-09-05T16:15:02Z","modified":"2026-06-17T06:03:27Z","products":[{"vendor":"open automation software","product":"oas platform"},{"vendor":"openautomationsoftware","product":"oas_platform"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1776","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1776","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34353"},{"url":"https://github.com/advisories/GHSA-gwcv-7xq5-34jj"}],"sources":{"cve":[{"id":"CVE-2023-34353","description":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:02.295Z","modified":"2025-02-13T16:55:30.194Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38433","description":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:02Z","modified":"2025-02-13T16:55:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T00:03:50.021705Z"}],"ghsa":[{"id":"GHSA-gwcv-7xq5-34jj","title":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of...","description":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T18:30:23Z","modified":"2024-04-11T21:07:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:57:06.932158Z"}],"nvd":[{"id":"CVE-2023-34353","description":"An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T17:15:08.963Z","modified":"2026-06-17T06:03:27.76Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:08:27.181588Z"}]}}
