{"id":"CVE-2018-7788","aliases":["EUVD-2018-19500","GHSA-4pc3-f84w-r58f"],"status":"published","title":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions...","description":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01114,"percentile":0.66236,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-255"],"published":"2019-05-22T19:50:21Z","modified":"2026-06-17T02:03:43Z","products":[{"vendor":"schneider-electric","product":"modicon_quantum_firmware"}],"references":[{"url":"https://www.schneider-electric.com/en/download/document/SEVD-2019-134-08/","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7788"},{"url":"https://www.schneider-electric.com/en/download/document/SEVD-2019-134-08"},{"url":"https://github.com/advisories/GHSA-4pc3-f84w-r58f"}],"sources":{"cve":[{"id":"CVE-2018-7788","description":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.","status":"published","published":"2019-05-22T19:50:21Z","modified":"2024-08-05T06:37:59.281Z","cwes":["CWE-255"],"updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2018-19500","description":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.","status":"published","published":"2019-05-22T19:50:21Z","modified":"2024-08-05T06:37:59Z","updated_at":"2026-11-03T02:40:05.186892Z"}],"ghsa":[{"id":"GHSA-4pc3-f84w-r58f","title":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions...","description":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.","status":"published","published":"2022-05-24T16:46:11Z","modified":"2024-04-04T00:43:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:55:51.66271Z"}],"nvd":[{"id":"CVE-2018-7788","description":"A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.","status":"published","published":"2019-05-22T20:29:00.947Z","modified":"2026-06-17T02:03:43.577Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:04:57.307075Z"}]}}