How severe is CVE-2000-0521?

CVE-2000-0521 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0521?

CVE-2000-0521 affects Michael Lamont Savant Webserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0521?

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

When was CVE-2000-0521 published?

CVE-2000-0521 was published on 2000-06-05 and last updated on 2026-06-16.

CVE-2000-0521

CVE-2000-0521 is a medium-severity vulnerability in Michael Lamont Savant Webserver 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: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Michael Lamont Savant Webserver
Published: 2000-06-05
Last modified: 2026-06-16

Description

Savant web server allows remote attackers to read source code of CGI scripts via a GET request that does not include the HTTP version number.

Frequently asked questions

What is CVE-2000-0521?: Savant web server allows remote attackers to read source code of CGI scripts via a GET request that does not include the HTTP version number.
How severe is CVE-2000-0521?: CVE-2000-0521 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0521?: CVE-2000-0521 affects Michael Lamont Savant Webserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0521 published?: CVE-2000-0521 was published on 2000-06-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:michael_lamont:savant_webserver:2.1:*:*:*:*:*:*:*

More vulnerabilities in Michael Lamont Savant Webserver

CVE-2000-0641 — High (CVSS 7.5): Savant web server allows remote attackers to execute arbitrary commands via a long GET request.
CVE-2002-0099 — Medium (CVSS 5.0): Buffer overflow in Michael Lamont Savant Web Server 3.0 allows remote attackers to cause a denial of service (crash)…
CVE-2000-0014 — Medium (CVSS 5.0): Denial of service in Savant web server via a null character in the requested URL.

All CVEs affecting Michael Lamont Savant Webserver →