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TI-2026-04412 Aliases CVE-2026-5057GHSA-38fr-fpg3-22rf

Missing authentication in ATEN Unizon

Priority MEDIUM 40CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ATEN Unizon. Authentication is not required to exploit this vulnerability. The specific flaw exists within the RpcProvider class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-29041.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00739 54th 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
ATENUnizon2.6.253.001—No fix listedCNA
  • Unizon VendorATEN Affected 2.6.253.001 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:aten:unizon:*:*:*:*:*:*:*:*——ATEN
  • cpe:2.3:a:aten:unizon:*:*:*:*:*:*:*:* Versions — — ·ATEN

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5057
  2. 2026-10-03 Alias added: GHSA-38fr-fpg3-22rf

References

Advisory 1

Other 1

  • TI-2023-23521 Aten PE6208 2.3.228 and 2.4.232 have default credentials for the privileged telnet… CVSS 3.1CRITICAL 9.8
  • TI-2023-10739 Aten PE8108 2.4.232 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 7.5
  • TI-2023-23524 Incorrect access control in the firewall management function of web interface in Aten… CVSS 3.1HIGH 8.0
  • TI-2023-23520 Aten PE6208 2.3.228 and 2.4.232 have default credentials for the privileged web interface… CVSS 3.1HIGH 8.0
  • TI-2023-10737 Aten PE8108 2.4.232 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 8.1
  • TI-2023-10736 Aten PE8108 2.4.232 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 7.2
See all 32 →

Sources

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