{"id":"CVE-2026-9779","aliases":["EUVD-2026-39117","GHSA-2h8c-cmrc-4q5c"],"status":"published","title":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability","description":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.","severity":{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.0068,"percentile":0.52672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-06-24T21:37:16Z","modified":"2026-10-25T23:10:00Z","products":[{"vendor":"aten","product":"unizon"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-383/","tags":["x_research-advisory","Third Party Advisory"]},{"url":"https://www.aten.com/global/en/supportcenter/info/security-advisory/32/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9779"},{"url":"https://www.aten.com/global/en/supportcenter/info/security-advisory/32"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-383"},{"url":"https://github.com/advisories/GHSA-2h8c-cmrc-4q5c"}],"sources":{"cve":[{"id":"CVE-2026-9779","title":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability","description":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.","status":"published","published":"2026-06-24T21:37:16.409Z","modified":"2026-06-25T13:10:35.745Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-39117","description":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.","status":"published","published":"2026-06-24T21:37:16Z","modified":"2026-06-25T13:10:35Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:29.213001Z"}],"ghsa":[{"id":"GHSA-2h8c-cmrc-4q5c","title":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code...","description":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.","status":"published","published":"2026-06-25T00:33:23Z","modified":"2026-06-25T00:35:21Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:08:58.724463Z"}],"nvd":[{"id":"CVE-2026-9779","description":"ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.","status":"published","published":"2026-06-24T22:16:50.59Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:25.67873Z"}]}}