How severe is CVE-2001-1251?

CVE-2001-1251 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1251 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-2001-1251?

CVE-2001-1251 primarily affects Max Feoktistov Small Http Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1251?

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

When was CVE-2001-1251 published?

CVE-2001-1251 was published on 2001-06-29 and last updated on 2026-06-16.

CVE-2001-1251

CVE-2001-1251 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: 2001-06-29
Last modified: 2026-06-16

Description

SmallHTTP 1.204 through 3.00 beta 8 allows remote attackers to cause a denial of service via multiple long URL requests.

Frequently asked questions

What is CVE-2001-1251?: SmallHTTP 1.204 through 3.00 beta 8 allows remote attackers to cause a denial of service via multiple long URL requests.
How severe is CVE-2001-1251?: CVE-2001-1251 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1251 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-2001-1251?: CVE-2001-1251 primarily affects Max Feoktistov Small Http Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1251?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1251 published?: CVE-2001-1251 was published on 2001-06-29 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:max_feoktistov:small_http_server:1.212:*:*:*:*:*:*:*
cpe:2.3:a:max_feoktistov:small_http_server:2.01:*:*:*:*:*:*:*
cpe:2.3:a:max_feoktistov:small_http_server:2.03:*:*:*:*:*:*:*
cpe:2.3:a:max_feoktistov:small_http_server:3.0_beta:*:*:*:*:*:*:*
cpe:2.3:a:vwebserver:vwebserver:1.2:*:*:*:*:*:*:*

More vulnerabilities in Max Feoktistov Small Http Server

CVE-2001-0493 — Medium (CVSS 5.0): Small HTTP server 2.03 allows remote attackers to cause a denial of service via a URL that contains an MS-DOS device…
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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