CVE-2002-0637 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 5.7% (pctl 93)
Patch early
A public exploit exists.
Description
InterScan VirusWall 3.52 build 1462 allows remote attackers to bypass virus protection via e-mail messages with headers that violate RFC specifications by having (or missing) space characters in unexpected places (aka "space gap"), such as (1) Content-Type :", (2) "Content-Transfer-Encoding :", (3) no space before a boundary declaration, or (4) "boundary= ", which is processed by Outlook Express.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 5.75% — more likely to be exploited than 93% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2002-07-11 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| trend micro | interscan viruswall |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Trend Micro Interscan VirusWall for Windows NT 3.52 - Space Gap Scan Bypass | 2002-07-18 |
References
→ the Explorer · watch your stack · NVD