{"id":"CVE-2023-34998","aliases":["EUVD-2023-39036","GHSA-2p85-rg66-pv28"],"status":"published","title":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation...","description":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted series of network requests can lead to arbitrary authentication. An attacker can sniff network traffic to trigger this vulnerability.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01197,"percentile":0.68516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-319"],"published":"2023-09-05T16:15:05Z","modified":"2026-06-17T06:04:14Z","products":[{"vendor":"open automation software","product":"oas platform"},{"vendor":"openautomationsoftware","product":"oas_platform"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1770","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1770","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34998"},{"url":"https://github.com/advisories/GHSA-2p85-rg66-pv28"}],"sources":{"cve":[{"id":"CVE-2023-34998","description":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted series of network requests can lead to arbitrary authentication. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:05.068Z","modified":"2025-02-13T16:55:42.91Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-39036","description":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted series of network requests can lead to arbitrary authentication. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:05Z","modified":"2025-02-13T16:55:42Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:50.021705Z"}],"ghsa":[{"id":"GHSA-2p85-rg66-pv28","title":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation...","description":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted series of network requests can lead to arbitrary authentication. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T18:30:23Z","modified":"2024-04-04T07:29:19Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287","CWE-319"],"updated_at":"2026-11-02T14:56:51.525022Z"}],"nvd":[{"id":"CVE-2023-34998","description":"An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted series of network requests can lead to arbitrary authentication. An attacker can sniff network traffic to trigger this vulnerability.","status":"published","published":"2023-09-05T17:15:09.153Z","modified":"2026-06-17T06:04:14.933Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-319","CWE-287"],"updated_at":"2026-11-02T14:08:27.181588Z"}]}}