CVE-2003-0121
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.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.1%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.07% probability · 88th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 7 March 2003
- CISA KEV
- Not listed
- Affected
- clearswift/mailsweeper
- Source
- cve@mitre.org
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://marc.info/?l=bugtraq&m=104716030503607&w=2
- http://www.securityfocus.com/archive/1/316311
- http://www.securityfocus.com/bid/7044Patch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=104716030503607&w=2
- http://www.securityfocus.com/archive/1/316311
- http://www.securityfocus.com/bid/7044Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.