{"id":"CVE-2021-22766","aliases":["EUVD-2021-9901","GHSA-473q-p3cq-866g"],"status":"published","title":"** UNSUPPORTED WHEN ASSIGNED ** A CWE-20: Improper Input Validation vulnerability exists in...","description":"A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01279,"percentile":0.70236,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-06-11T15:40:47Z","modified":"2026-06-17T03:37:44Z","products":[{"vendor":"schneider-electric","product":"powerlogic_egx100_firmware"},{"vendor":"schneider-electric","product":"powerlogic_egx300_firmware"}],"references":[{"url":"http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22766"},{"url":"https://github.com/advisories/GHSA-473q-p3cq-866g"}],"sources":{"cve":[{"id":"CVE-2021-22766","description":"A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet","status":"published","published":"2021-06-11T15:40:47Z","modified":"2026-05-29T13:46:20.881Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9901","description":"A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet","status":"published","published":"2021-06-11T15:40:47Z","modified":"2026-05-29T13:46:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:01.215325Z"}],"ghsa":[{"id":"GHSA-473q-p3cq-866g","title":"** UNSUPPORTED WHEN ASSIGNED ** A CWE-20: Improper Input Validation vulnerability exists in...","description":"** UNSUPPORTED WHEN ASSIGNED ** A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet.","status":"published","published":"2022-05-24T19:05:03Z","modified":"2024-03-30T05:01:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:55:45.190481Z"}],"nvd":[{"id":"CVE-2021-22766","description":"A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet","status":"published","published":"2021-06-11T16:15:10.523Z","modified":"2026-06-17T03:37:44.16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}