Security readout for executives and security teams
This is an old Chrome browser flaw where a malicious site could bypass web page isolation using a “magic iframe.” That could let one site improperly interact with content from another origin. The source bundle identifies Chrome versions before 17.0.963.83 as affected, with no KEV listing or active exploitation evidence provided. Exposure is most plausible on legacy systems running Chrome or Chromium-derived packages older than 17.0.963.83. Modern managed browser fleets are unlikely exposed unless unsupported images, kiosks, lab systems, or frozen VDI templates remain in service. Treat this as a legacy exposure cleanup item unless old browsers are present in production. The business concern is browser isolation failure, but the provided evidence does not support emergency active-exploitation handling. Mitigation focus: Upgrade Chrome or Chromium packages to 17.0.963.83 or later.; Apply relevant OS vendor browser updates from Apple, SUSE, Gentoo, or distribution channels.; Retire unsupported legacy browser images and frozen desktop templates..
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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CVE-2011-3056 mapping review
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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
- oval:org.mitre.oval:def:14962CVE reference · vdb-entry, signature
- google-magic-iframe-sec-bypass(74216)CVE reference · vdb-entry, x_refsource_XF
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.