CVE-2009-3936: n/a vulnerability

CVE-2009-3936: Unspecified vulnerability in Citrix Online Plug-in for Windows 11.0.x before 11.0.150 and 11.x before 11.2,...

Unspecified vulnerability in Citrix Online Plug-in for Windows 11.0.x before 11.0.150 and 11.x before 11.2, Online Plug-in for Mac before 11.0, Receiver for iPhone before 1.0.3, and ICA Java, Mac, UNIX, and Windows Clients for XenApp and XenDesktop allows remote attackers to impersonate the SSL/TLS server and bypass authentication via a crafted certificate, a different vulnerability than CVE-2009-3555.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:45 UTC (UTC+00:00)

Security readout for executives and security teams

This old Citrix client vulnerability could let an attacker make a malicious SSL/TLS server appear trusted to vulnerable Citrix clients using a crafted certificate. The business risk is credential or session compromise where legacy Citrix Online Plug-in, Receiver, or ICA clients remain in use. Exposure is most likely in environments with legacy Citrix endpoint clients still installed or packaged in golden images. Current Citrix deployments may still be exposed if old ICA, Online Plug-in, or iPhone Receiver clients connect to XenApp or XenDesktop services. Prioritize if your organization still has legacy Citrix clients. This is not shown as actively exploited in the provided sources, but it weakens trust in secure Citrix connections and could enable credential or session exposure. Mitigation focus: Upgrade affected Citrix Online Plug-in for Windows to 11.0.150 or 11.2 or later.; Upgrade Citrix Online Plug-in for Mac to 11.0 or later.; Upgrade Citrix Receiver for iPhone to 1.0.3 or later..

Prepared: Jun 28, 2026, 18:12 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 13, 2009, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
citrix-ssl-spoofing(54213)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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