Vulnerability in Aten Unizon
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Aten Unizon — versions 2.6.253.001
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-383/ (x_research-advisory, Third Party Advisory)
- www.aten.com/global/en/supportcenter/info/security-advisory/32/ (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-9779?
- CVE-2026-9779 is a high-severity vulnerability in Aten Unizon, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.2/10. Published 2026-06-24.
- How severe is CVE-2026-9779?
- High severity. CVSS v3 base score is 7.2 out of 10.