CVE-2004-2703

mediumpriority · track · 17EPSS 0.011 · 66 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.12% (66th) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.7lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimary

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
clearswift mailsweeper business suite iall versionsnvdUScpe:2.3:a:clearswift:mailsweeper_business_suite_i:*:*:*:*:*:*:*:*
clearswift mailsweeper business suite iiall versionsnvdUScpe:2.3:a:clearswift:mailsweeper_business_suite_ii:*:*:*:*:*:*:*:*
clearswift mailsweeper for smtp= 4.3nvdUScpe:2.3:a:clearswift:mailsweeper_for_smtp:*:*:*:*:*:*:*:*
clearswift mimesweeper for web= 5.0.5nvdUScpe:2.3:a:clearswift:mimesweeper_for_web:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2004-12-31modified 2026-06-16

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references (10)

External citations — patches, advisories, analysis.

scry

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