Security readout for executives and security teams
This is an old Citrix client-side flaw. A vulnerable Windows Citrix Online Plug-in ActiveX component could be abused through a crafted HTML document to crash the client or run arbitrary code. The practical risk is mainly legacy Windows endpoints still carrying pre-12.0.3 Citrix client components. Exposure is likely limited to Windows endpoints with the vulnerable Citrix Online Plug-in ActiveX component installed, especially older Internet Explorer-era environments and unmanaged legacy workstations. Treat this as a legacy exposure cleanup item with high impact if present. Prioritize regulated, VDI, and remote-access user populations where old Citrix clients may persist. Mitigation focus: Inventory Windows endpoints for Citrix Online Plug-in versions before 12.0.3.; Upgrade affected Citrix Online Plug-in installations to 12.0.3 or later.; Follow Citrix CTX125976 for vendor-specific remediation guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2010-2991 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
