{"id":"CVE-2021-20662","aliases":["EUVD-2021-8080","GHSA-954j-r82g-vr2p"],"status":"published","title":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5...","description":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02093,"percentile":0.81906,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2021-02-24T03:51:48Z","modified":"2026-06-17T03:34:12Z","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-2021-20662"},{"url":"https://github.com/advisories/GHSA-954j-r82g-vr2p"}],"sources":{"cve":[{"id":"CVE-2021-20662","description":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.","status":"published","published":"2021-02-24T03:51:48Z","modified":"2024-08-03T17:45:45.501Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8080","description":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.","status":"published","published":"2021-02-24T03:51:48Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-954j-r82g-vr2p","title":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5...","description":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.","status":"published","published":"2022-05-24T17:43:00Z","modified":"2023-01-29T05:05:51Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:45:53.730969Z"}],"nvd":[{"id":"CVE-2021-20662","description":"Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.","status":"published","published":"2021-02-24T12:15:23.173Z","modified":"2026-06-17T03:34:12.45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}