TI-2026-08570 Aliases CVE-2026-9779 GHSA-2h8c-cmrc-4q5c

Improper signature verification in ATEN Unizon

LOW 35CWE-347Published 2026-06-24 · Updated 2026-06-25

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0068 52nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ATEN	Unizon	2.6.253.001	—	No fix listed	CNA

Unizon VendorATEN Affected 2.6.253.001 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:aten:unizon::::::::	before 2.7.264	Vulnerable	ATEN

cpe:2.3:a:aten:unizon:*:*:*:*:*:*:*:* Versions before 2.7.264 Vulnerable ·ATEN

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-9779
2026-10-03 Alias added: GHSA-2h8c-cmrc-4q5c

References

Advisory 2

TI-2026-08567 Path traversal in ATEN Unizon CVSS 3.0HIGH 7.5
TI-2026-08569 Path traversal in ATEN Unizon CVSS 3.0HIGH 7.2
TI-2026-08568 Path traversal in ATEN Unizon CVSS 3.0HIGH 7.2
TI-2026-08566 Path traversal in ATEN Unizon CVSS 3.1MEDIUM 6.5
TI-2026-08565 Path traversal in ATEN Unizon CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences