CVE-2003-0121 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 3.1% (pctl 87)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 3.07% — more likely to be exploited than 87% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-03-18 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| clearswift | mailsweeper |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Clearswift MAILsweeper 4.x - MIME Attachment Filter Bypass | 2003-03-07 |
References
→ the Explorer · watch your stack · NVD