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TI-2012-03943 Aliases CVE-2012-4603GHSA-777h-83ch-p736

Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for…

Priority MEDIUM 44CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for Windows 3.2 and earlier could allow remote attackers to execute arbitrary code by convincing a target to open a specially crafted file from an SMB or WebDAV fileserver.

Why it matters now

EPSS 0.06942 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:citrix:receiver:*:*:*:*:*:*:*:*up to 3.2VulnerableCitrix
cpe:2.3:a:citrix:xenapp_online:*:*:*:*:*:*:*:*up to 12.1VulnerableCitrix
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:citrix:receiver:*:*:*:*:*:*:*:* Versions up to 3.2 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:xenapp_online:*:*:*:*:*:*:*:* Versions up to 12.1 Vulnerable ·Citrix
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-4603
  2. 2026-10-03 Alias added: GHSA-777h-83ch-p736

References

—

  • TI-2019-08705 Citrix Workspace App before 1904 for Windows has Incorrect Access Control. KEVCVSS 3.1CRITICAL 9.8

Sources