Security readout for executives and security teams
This issue affects older Clearswift MAILsweeper for SMTP versions before 4.3_13. A specially crafted RAR attachment in an email can trigger an infinite loop, causing denial of service. The main business risk is disruption of mail security processing or mail flow, not data theft based on the supplied sources. Exposure is most likely where legacy Clearswift MAILsweeper for SMTP remains deployed and processes inbound RAR attachments. Organizations that retired the product, upgraded to 4.3_13 or later, or block RAR attachments are less likely to be exposed. Prioritize if the organization still runs legacy MAILsweeper for SMTP in a mail path. The issue can disrupt email security processing, but available sources do not indicate data compromise, active exploitation, or a current KEV listing. Mitigation focus: Confirm whether Clearswift MAILsweeper for SMTP is still deployed.; Upgrade affected deployments to 4.3_13 or later where applicable.; Check archived vendor guidance before changing production mail-filtering policy..
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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CVE-2004-2328 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
- mailsweeper-smtp-rar-dos(14979)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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