How severe is CVE-2000-0643?

CVE-2000-0643 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0643?

CVE-2000-0643 affects Itafrica Webactive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0643?

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

When was CVE-2000-0643 published?

CVE-2000-0643 was published on 2000-07-12 and last updated on 2026-06-16.

CVE-2000-0643

CVE-2000-0643 is a medium-severity vulnerability in Itafrica Webactive 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% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Itafrica Webactive
Published: 2000-07-12
Last modified: 2026-06-16

Description

Buffer overflow in WebActive HTTP Server 1.00 allows remote attackers to cause a denial of service via a long URL.

Frequently asked questions

What is CVE-2000-0643?: Buffer overflow in WebActive HTTP Server 1.00 allows remote attackers to cause a denial of service via a long URL.
How severe is CVE-2000-0643?: CVE-2000-0643 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0643?: CVE-2000-0643 affects Itafrica Webactive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0643 published?: CVE-2000-0643 was published on 2000-07-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:itafrica:webactive:1.0:*:*:*:*:*:*:*

More vulnerabilities in Itafrica Webactive

CVE-2001-0306 — Medium (CVSS 5.0): Directory traversal vulnerability in ITAfrica WEBactive HTTP Server 1.00 allows remote attackers to read arbitrary…
CVE-2000-0642 — Medium (CVSS 5.0): The default configuration of WebActive HTTP Server 1.00 stores the web access log active.log in the document root,…

All CVEs affecting Itafrica Webactive →