// For flags

CVE-2003-0121

Clearswift MAILsweeper 4.x - MIME Attachment Filter Bypass

Severity Score

5.3
*CVSS v3

Exploit Likelihood

4.2%
*EPSS

Affected Versions

4
*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Clearswift MAILsweeper 4.x allows remote attackers to bypass attachment detection via an attachment that does not specify a MIME-Version header field, which is processed by some mail clients.

Clearswift MAIL sweeper 4.x permite a atacantes remotos evitar la detección de adjuntos mediante un adjunto que no especifica un campo de cabecera MIME-Version, y que es procesado por algunos clientes de correo.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2003-03-03 CVE Reserved
  • 2003-03-07 First Exploit
  • 2003-03-13 CVE Published
  • 2024-08-08 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
References (4)
Affected Vendors, Products, and Versions (4)