{"id":"CVE-2023-31242","aliases":["EUVD-2023-35557","GHSA-r7wp-jgvh-5vj5"],"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 send a sequence of requests 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":"2026-11-12","score":0.03484,"percentile":0.89283,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-287"],"published":"2023-09-05T16:15:05Z","modified":"2026-06-17T05:56:39Z","products":[{"vendor":"open automation software","product":"oas platform"},{"vendor":"openautomationsoftware","product":"oas_platform"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1769","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1769","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31242"},{"url":"https://github.com/advisories/GHSA-r7wp-jgvh-5vj5"}],"sources":{"cve":[{"id":"CVE-2023-31242","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 send a sequence of requests to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:05.565Z","modified":"2025-02-13T16:49:47.437Z","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-284"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35557","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 send a sequence of requests to trigger this vulnerability.","status":"published","published":"2023-09-05T16:15:05Z","modified":"2025-02-13T16:49:47Z","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":"2026-11-03T00:03:50.427692Z"}],"ghsa":[{"id":"GHSA-r7wp-jgvh-5vj5","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 send a sequence of requests to trigger this vulnerability.","status":"published","published":"2023-09-05T18:30:22Z","modified":"2024-04-04T07:29:08Z","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-284","CWE-287"],"updated_at":"2026-11-02T14:56:51.525022Z"}],"nvd":[{"id":"CVE-2023-31242","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 send a sequence of requests to trigger this vulnerability.","status":"published","published":"2023-09-05T17:15:08.517Z","modified":"2026-06-17T05:56:39.987Z","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":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284","CWE-287"],"updated_at":"2026-11-02T14:08:27.181588Z"}]}}