{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-12T17:17:14.290","vulnerabilities":[{"cve":{"id":"CVE-2021-35028","sourceIdentifier":"security@zyxel.com.tw","published":"2021-09-29T11:15:07.547","lastModified":"2024-11-21T06:11:42.157","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands."},{"lang":"es","value":"Una vulnerabilidad de inyección de comandos en el programa CGI de  Zyxel VPN2S versión del firmware 1.12, podría permitir a un usuario local autenticado ejecutar comandos arbitrarios del sistema operativo"}],"metrics":{"cvssMetricV31":[{"source":"security@zyxel.com.tw","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.7,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@zyxel.com.tw","type":"Secondary","description":[{"lang":"en","value":"CWE-78"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-78"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zyxel:zywall_vpn2s_firmware:1.12\\(abln.0\\)c0:*:*:*:*:*:*:*","matchCriteriaId":"E93F6084-B93D-4D50-85C6-1D8C375D8E34"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*","matchCriteriaId":"3D3F001A-8790-463F-804B-CA5CAC610867"}]}]}],"references":[{"url":"https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_and_command_injection_vulnerabilities_of_VPN2S_Firewall.shtml","source":"security@zyxel.com.tw","tags":["Patch","Vendor Advisory"]},{"url":"https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_and_command_injection_vulnerabilities_of_VPN2S_Firewall.shtml","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}