{"id":"CVE-2022-26833","aliases":["EUVD-2022-31383","GHSA-q479-f3r3-9xq7"],"status":"published","title":"An improper authentication vulnerability exists in the REST API functionality of Open Automation...","description":"An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.37639,"percentile":0.98549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2022-05-25T20:15:28Z","modified":"2026-06-17T04:35:55Z","exploits":[{"source":"nuclei","id":"CVE-2022-26833","title":"Open Automation Software OAS Platform V16.00.0121 - Missing Authentication","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26833.yaml"}],"products":[{"vendor":"open automation software","product":"oas platform"},{"vendor":"openautomationsoftware","product":"oas_platform"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2022-1513","tags":["x_transferred","Exploit","Mitigation","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26833"},{"url":"https://github.com/advisories/GHSA-q479-f3r3-9xq7"}],"sources":{"cve":[{"id":"CVE-2022-26833","description":"An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.","status":"published","published":"2022-05-25T20:15:28.072Z","modified":"2024-09-16T23:11:11.171Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:34:26.293612Z"}],"euvd":[{"id":"EUVD-2022-31383","description":"An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.","status":"published","published":"2022-05-25T20:15:28Z","modified":"2024-09-16T23:11:11Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:54:55.705637Z"}],"ghsa":[{"id":"GHSA-q479-f3r3-9xq7","title":"An improper authentication vulnerability exists in the REST API functionality of Open Automation...","description":"An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.","status":"published","published":"2022-05-26T00:01:07Z","modified":"2023-01-30T05:06:04Z","cvss":[{"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"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:47:25.356505Z"}],"nvd":[{"id":"CVE-2022-26833","description":"An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.","status":"published","published":"2022-05-25T21:15:08.25Z","modified":"2026-06-17T04:35:55.987Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:21.261605Z"}]}}