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Vulnerability record · CVE-2026-9779 · published 24 June 2026

CVE-2026-9779: Aten unizon improper verification of cryptographic signature vulnerability

Aten · Unizon

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.

7.2 CVSS 3.0 High EPSS 0.68% · top 49.5% CWE-347 · Improper verification of cryptographic signature
7.2CVSS 3.0 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
27 Jun 2026Last modified by NVD

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. 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.

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.aten.com/global/en/supportcenter/info/security-advisory/32/ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-383/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-9779), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.