{"id":"CVE-2018-7812","aliases":["EUVD-2018-19524","GHSA-rx9m-w5c2-vj36"],"status":"published","title":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in...","description":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03711,"percentile":0.89832,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-12-17T22:00:00Z","modified":"2026-06-17T02:03:46Z","products":[{"vendor":"schneider electric se","product":"embedded web servers in all modicon m340, premium, quantum plcs and bmxnor0200"},{"vendor":"schneider-electric","product":"modicom_bmxnor0200h_firmware"},{"vendor":"schneider-electric","product":"modicom_m340_firmware"},{"vendor":"schneider-electric","product":"modicom_premium_firmware"},{"vendor":"schneider-electric","product":"modicom_quantum_firmware"}],"references":[{"url":"https://github.com/SadFud/Exploits/tree/master/Real%20World/SCADA%20-%20IOT%20Systems/CVE-2018-7812","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7812"},{"url":"https://github.com/advisories/GHSA-rx9m-w5c2-vj36"}],"sources":{"cve":[{"id":"CVE-2018-7812","description":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.","status":"published","published":"2018-12-17T22:00:00Z","modified":"2024-08-05T06:37:59.305Z","updated_at":"2026-11-02T14:35:10.313768Z"}],"euvd":[{"id":"EUVD-2018-19524","description":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.","status":"published","published":"2018-12-17T22:00:00Z","modified":"2024-08-05T06:37:59Z","updated_at":"2026-11-03T02:40:04.680788Z"}],"ghsa":[{"id":"GHSA-rx9m-w5c2-vj36","title":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in...","description":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.","status":"published","published":"2022-05-14T01:44:58Z","modified":"2023-02-02T05:04:36Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:54.899736Z"}],"nvd":[{"id":"CVE-2018-7812","description":"An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.","status":"published","published":"2018-12-17T22:29:00.297Z","modified":"2026-06-17T02:03:46.827Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:50.99633Z"}]}}