Security readout for executives and security teams
Plain-English summary
This CVE affects Blue Coat ProxySG security gateways. A flaw in Active Content Transformation can let remote attackers evade JavaScript detection by encoding content as HTML entities. Business risk depends on whether affected ProxySG versions are still deployed and whether this feature is used.
Executive priority
Treat as a targeted legacy-appliance hygiene issue. Prioritize remediation if ProxySG still protects internet browsing paths or high-risk user groups. Urgency is lower where affected appliances are retired or upgraded.
Technical view
ProxySG SGOS versions before 4.3.4.2, 5.4.5.1, 5.5.4.1, and 6.1.2.1 are described as affected. The weakness is a detection bypass in Active Content Transformation, where JavaScript can avoid detection when represented through HTML entities.
Likely exposure
Exposure is likely limited to organizations running Blue Coat ProxySG on the listed vulnerable SGOS branches, especially where Active Content Transformation or JavaScript detection is relied on for web-content filtering.
Exploitation context
No KEV listing is present, and the provided sources do not claim active exploitation. The CVE states remote attackers can bypass JavaScript detection, but gives no exploit prevalence, CVSS score, or CWE classification.
Researcher notes
The source bundle is sparse: no CVSS, CWE, exploit details, or detailed vendor advisory text are included. Analysis should stay anchored to the stated bypass condition and listed fixed SGOS versions.
Mitigation direction
- Inventory ProxySG appliances and record SGOS versions.
- Upgrade SGOS to the fixed version for the deployed branch.
- Review Blue Coat SA48 for vendor-specific remediation guidance.
- Confirm content-filtering policies do not depend on vulnerable JavaScript detection behavior.
Validation and detection
- Compare each SGOS version against the fixed version thresholds.
- Confirm whether Active Content Transformation is enabled in relevant policies.
- Check change records for completed SGOS upgrades.
- Review proxy security logs for unusual JavaScript content handling events.
Public sources used
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-2010-5190 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
- https://kb.bluecoat.com/index?page=content&id=SA48CVE reference · x_refsource_CONFIRM
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.