CVE-2002-0637

Exp

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.

Published: 2002-07-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0637 is rated High Exploit Risk (79.1/100): CVSS High severity, with high exploitation likelihood (EPSS 5.75%, 92th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.92% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2002-0637

EDB-ID Source Kind Published Link
21625 exploit_db edb 2002-07-18 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-0637

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.82% 5.75% +1.92%
2 2025-03-30 6.62% 3.82% -2.80%
3 2025-03-29 — 6.62% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0637

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-0637

Affected software / configurations for CVE-2002-0637

Vendor Product Version Raw CPE
trend_micro interscan_viruswall 3.52 cpe:2.3:a:trend_micro:interscan_viruswall:3.52:*:*:*:*:*:*:*

References for CVE-2002-0637

cvelogic Threat Intelligence