How severe is CVE-2001-0493?

CVE-2001-0493 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0493?

CVE-2001-0493 affects Max Feoktistov Small Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0493?

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

When was CVE-2001-0493 published?

CVE-2001-0493 was published on 2001-06-27 and last updated on 2026-06-16.

CVE-2001-0493

CVE-2001-0493 is a medium-severity vulnerability in Max Feoktistov Small Http Server 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% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Max Feoktistov Small Http Server
Published: 2001-06-27
Last modified: 2026-06-16

Description

Small HTTP server 2.03 allows remote attackers to cause a denial of service via a URL that contains an MS-DOS device name such as aux.

Frequently asked questions

What is CVE-2001-0493?: Small HTTP server 2.03 allows remote attackers to cause a denial of service via a URL that contains an MS-DOS device name such as aux.
How severe is CVE-2001-0493?: CVE-2001-0493 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0493?: CVE-2001-0493 affects Max Feoktistov Small Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0493 published?: CVE-2001-0493 was published on 2001-06-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:max_feoktistov:small_http_server:2.03:*:*:*:*:*:*:*

More vulnerabilities in Max Feoktistov Small Http Server

CVE-2001-1251 — Medium (CVSS 5.0): SmallHTTP 1.204 through 3.00 beta 8 allows remote attackers to cause a denial of service via multiple long URL requests.
CVE-2000-0898 — Medium (CVSS 5.0): Small HTTP Server 2.01 does not properly process Server Side Includes (SSI) tags that contain null values, which allows…
CVE-2000-0897 — Medium (CVSS 5.0): Small HTTP Server 2.03 and earlier allows remote attackers to cause a denial of service by repeatedly requesting a URL…
CVE-2000-0899 — Medium (CVSS 5.0): Small HTTP Server 2.01 allows remote attackers to cause a denial of service by connecting to the server and sending out…
CVE-2000-0484 — Medium (CVSS 5.0): Small HTTP Server ver 3.06 contains a memory corruption bug causing a memory overflow. The overflowed buffer crashes…

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