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Vulnerability Details CVE-2026-9779

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. The 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 29.6%
CVSS Severity
CVSS v3 Score 7.2
Products affected by CVE-2026-9779
  • Aten » Unizon » Version: 2.4.233
    cpe:2.3:a:aten:unizon:2.4.233
  • Aten » Unizon » Version: 2.5.242
    cpe:2.3:a:aten:unizon:2.5.242
  • Aten » Unizon » Version: 2.5.243
    cpe:2.3:a:aten:unizon:2.5.243
  • Aten » Unizon » Version: 2.6.253
    cpe:2.3:a:aten:unizon:2.6.253
  • Aten » Unizon » Version: 2.7.262
    cpe:2.3:a:aten:unizon:2.7.262
  • Aten » Unizon » Version: 2.7.263
    cpe:2.3:a:aten:unizon:2.7.263


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