How severe is CVE-2000-0738?

CVE-2000-0738 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0738?

CVE-2000-0738 affects Network Associates Webshield Smtp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0738?

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

When was CVE-2000-0738 published?

CVE-2000-0738 was published on 2000-10-20 and last updated on 2026-06-16.

CVE-2000-0738

CVE-2000-0738 is a medium-severity vulnerability in Network Associates Webshield Smtp 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: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Network Associates Webshield Smtp
Published: 2000-10-20
Last modified: 2026-06-16

Description

WebShield SMTP 4.5 allows remote attackers to cause a denial of service by sending e-mail with a From: address that has a . (period) at the end, which causes WebShield to continuously send itself copies of the e-mail.

Frequently asked questions

What is CVE-2000-0738?: WebShield SMTP 4.5 allows remote attackers to cause a denial of service by sending e-mail with a From: address that has a . (period) at the end, which causes WebShield to continuously send itself copies of the e-mail.
How severe is CVE-2000-0738?: CVE-2000-0738 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0738?: CVE-2000-0738 affects Network Associates Webshield Smtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0738 published?: CVE-2000-0738 was published on 2000-10-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:network_associates:webshield_smtp:4.5:*:*:*:*:*:*:*

More vulnerabilities in Network Associates Webshield Smtp

CVE-2002-1121 — High (CVSS 7.5): SMTP content filter engines, including (1) GFI MailSecurity for Exchange/SMTP before 7.2, (2) InterScan VirusWall…
CVE-2001-1542 — High (CVSS 7.5): NAI WebShield SMTP 4.5 and possibly 4.5 MR1a does not filter improperly MIME encoded email attachments, which could…
CVE-2000-1130 — High (CVSS 7.5): McAfee WebShield SMTP 4.5 allows remote attackers to bypass email content filtering rules by including Extended ASCII…
CVE-2000-1129 — Medium (CVSS 5.0): McAfee WebShield SMTP 4.5 allows remote attackers to cause a denial of service via a malformed recipient field.

All CVEs affecting Network Associates Webshield Smtp →