Security readout for executives and security teams
Vaadin versions before 6.4.9 had a cross-site scripting flaw tied to the index page. In affected applications, an attacker could potentially cause a user’s browser to run attacker-supplied script or HTML. The public bundle does not provide severity scoring, exploit details, or evidence of active exploitation. Exposure is likely limited to applications built with Vaadin versions before 6.4.9. Public-facing Vaadin applications are the main concern. The bundle lists affected vendor/product fields as n/a, so asset teams must verify framework versions from application dependencies or release records. Handle as a targeted legacy web-application hygiene issue. It is not KEV-listed and has no supplied CVSS score, but public-facing XSS can create user-session and trust risks. Prioritize confirmed Vaadin deployments before 6.4.9, especially externally accessible systems. Mitigation focus: Inventory applications using Vaadin 6.x or older dependency records.; Prioritize public-facing Vaadin applications for review.; Review Vaadin 6.4.9 release notes and vendor ticket 6257..
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-2011-0509 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
- vaadin-unspec-xss(64626)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.