How severe is CVE-2002-0637?

CVE-2002-0637 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-0637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0637?

CVE-2002-0637 affects Trend Micro Interscan Viruswall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-0637 published?

CVE-2002-0637 was published on 2002-07-11 and last updated on 2026-06-16.

CVE-2002-0637

CVE-2002-0637 is a high-severity vulnerability in Trend Micro Interscan Viruswall with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Trend Micro Interscan Viruswall
Published: 2002-07-11
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2002-0637?: 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.
How severe is CVE-2002-0637?: CVE-2002-0637 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0637?: CVE-2002-0637 affects Trend Micro Interscan Viruswall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-0637 published?: CVE-2002-0637 was published on 2002-07-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:trend_micro:interscan_viruswall:3.52:*:*:*:*:*:*:*

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