{"affected":[{"affectedData":[{"product":"Aterm SA3500G","vendor":"NEC Corporation","versions":[{"status":"affected","version":"firmware versions prior to Ver. 3.5.9"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:necplatforms:aterm_sa3500g_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"9DB31ED1-AE88-4FE0-8C24-F47710CC0868","versionEndExcluding":"3.5.9","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:necplatforms:aterm_sa3500g:-:*:*:*:*:*:*:*","matchCriteriaId":"AADF6560-9A7A-466B-9C01-181FD0F194D5","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker with an administrative privilege to execute a malicious program."},{"lang":"es","value":"Una comprobación inapropiada de la vulnerabilidad del valor de comprobación de integridad en Aterm SA3500G versiones de firmware anteriores a Ver. 3.5.9, permite a un atacante con privilegios administrativos ejecutar un programa malicioso."}],"id":"CVE-2020-5637","lastModified":"2026-06-17T03:21:44.080","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"SINGLE","availabilityImpact":"PARTIAL","baseScore":5.2,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":5.1,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":0.9,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-12-14T03:15:13.543","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN55917325/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/jp/JVN55917325/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Vendor Advisory"],"url":"https://www.necplatforms.co.jp/product/security_ap/info_20201211.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN55917325/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/jp/JVN55917325/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.necplatforms.co.jp/product/security_ap/info_20201211.html"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-354"}],"source":"nvd@nist.gov","type":"Primary"}]}