CVE-2001-0460 — Websweeper 4.0 does not limit the length of certain HTTP headers, which allows remote attackers to cause a denial of service (memory exhaustion) via an extremely large HTTP Referrer: header

Back Back to CVE browser

MEDIUM

Websweeper 4.0 does not limit the length of certain HTTP headers, which allows remote attackers to cause a denial of service (memory exhaustion) via an extremely large HTTP Referrer: header

Published May 24, 2001

5.0

MEDIUM

CVSS 2.0

EPSS 5.27%

Description

Websweeper 4.0 does not limit the length of certain HTTP headers, which allows remote attackers to cause a denial of service (memory exhaustion) via an extremely large HTTP Referrer: header.

Affected products

Remediation

No remediation recorded yet.

Metrics

5.27% 0.05268

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.05268

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	5.27% (0.05268)	92.30th	v5 (v2026.06.15)
Jun 15, 2026	5.27% (0.05268)	91.47th	v5 (v2026.06.15)
Mar 30, 2025	3.39% (0.03387)	86.26th	v4 (v2025.03.14)
Mar 29, 2025	4.47% (0.04471)	81.43th	v4 (v2025.03.14)
Mar 17, 2025	3.39% (0.03387)	86.56th	v4 (v2025.03.14)
Dec 12, 2024	0.86% (0.00859)	82.99th	v3 (v2023.03.01)
Feb 13, 2024	0.86% (0.00859)	81.75th	v3 (v2023.03.01)
Mar 7, 2023	0.86% (0.00859)	79.75th	v3 (v2023.03.01)
Mar 6, 2023	4.19% (0.04187)	87.39th	v2 (v2022.01.01)
Apr 1, 2022	4.19% (0.04187)	86.11th	v2 (v2022.01.01)
Feb 4, 2022	4.19% (0.04187)	69.86th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://www.securityfocus.com/archive/1/167406
mailing-listx_refsource_BUGTRAQExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6214
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.securityfocus.com/archive/1/167406		mailing-listx_refsource_BUGTRAQExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6214		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 24, 2001

Updated Aug 8, 2024

Reserved May 24, 2001

Link CVE-2001-0460

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2001-0460

Red Hat

Severity n/a

Public date n/a

Links CVE-2001-0460