Security readout for executives and security teams
This older Clearswift MIMEsweeper For Web/WEBsweeper issue could let an attacker get an executable file through filtering by using a URL that does not look like an executable. The business risk is weakened web content controls, especially in environments still relying on versions 4.0 through 5.1. Exposure is most likely in legacy environments still operating Clearswift MIMEsweeper For Web/WEBsweeper 4.0 through 5.1 as a web filtering gateway. Modern environments are unlikely exposed unless this old product remains deployed or embedded in unmanaged filtering infrastructure. Treat this as a moderate legacy-control risk. It does not have confirmed active exploitation in the provided sources, but it can undermine a gateway control intended to block executable downloads. Prioritize if affected versions remain in production or protect high-risk user groups. Mitigation focus: Inventory for Clearswift MIMEsweeper For Web or WEBsweeper 4.0 through 5.1.; Check vendor or archived vendor guidance for fixed versions or configuration workarounds.; Prefer controls that inspect returned file content, not only URL extensions..
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
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ATT&CK lookup starting points
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CVE-2005-4526 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
- mimesweeper-attachment-filter-bypass(23867)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.