{"id":"CVE-2021-20657","aliases":["EUVD-2021-8075","GHSA-hrv3-fv5c-h4m4"],"status":"published","title":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows...","description":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02829,"percentile":0.86731,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-02-24T03:51:44Z","modified":"2026-06-17T03:34:11Z","products":[{"vendor":"contec","product":"sv-cpt-mc310_firmware"},{"vendor":"contec co., ltd.","product":"solarview compact"}],"references":[{"url":"https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN37417423/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20657"},{"url":"https://github.com/advisories/GHSA-hrv3-fv5c-h4m4"}],"sources":{"cve":[{"id":"CVE-2021-20657","description":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.","status":"published","published":"2021-02-24T03:51:44Z","modified":"2024-08-03T17:45:45.172Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8075","description":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.","status":"published","published":"2021-02-24T03:51:44Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-hrv3-fv5c-h4m4","title":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows...","description":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.","status":"published","published":"2022-05-24T17:43:00Z","modified":"2023-01-27T05:02:35Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:04.146384Z"}],"nvd":[{"id":"CVE-2021-20657","description":"Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.","status":"published","published":"2021-02-24T12:15:22.72Z","modified":"2026-06-17T03:34:11.933Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}