How severe is CVE-2002-2121?

CVE-2002-2121 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-2121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2121?

CVE-2002-2121 affects Surfcontrol Superscout Email Filter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-2121?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-2121 published?

CVE-2002-2121 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2121

CVE-2002-2121 is a medium-severity vulnerability in Surfcontrol Superscout Email Filter with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Surfcontrol Superscout Email Filter
Published: 2002-12-31
Last modified: 2026-06-16

Description

SurfControl SuperScout Email filter for SMTP 3.5.1 allows remote attackers to cause a denial of service (crash) via a long SMTP (1) HELO or (2) RCPT TO command, possibly due to a buffer overflow.

Frequently asked questions

What is CVE-2002-2121?: SurfControl SuperScout Email filter for SMTP 3.5.1 allows remote attackers to cause a denial of service (crash) via a long SMTP (1) HELO or (2) RCPT TO command, possibly due to a buffer overflow.
How severe is CVE-2002-2121?: CVE-2002-2121 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-2121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2121?: CVE-2002-2121 affects Surfcontrol Superscout Email Filter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-2121?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2121 published?: CVE-2002-2121 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:surfcontrol:superscout_email_filter:3.5.1:*:smtp:*:*:*:*:*

More vulnerabilities in Surfcontrol Superscout Email Filter

CVE-2002-1531 — Medium (CVSS 5.0): The administrative web interface (STEMWADM) for SurfControl SuperScout Email Filter allows remote attackers to cause a…
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CVE-2002-1530 — Medium (CVSS 5.0): The administrative web interface (STEMWADM) for SurfControl SuperScout Email Filter allows users to obtain usernames…
CVE-2002-1529 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in msgError.asp for the administrative web interface (STEMWADM) for…

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