CVE-2001-1152 — Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and connect to unauthorized web servers by modifying the requested URL, including (1) a // (double slash), (2) a /SUBDIR/.

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HIGH

Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and connect to unauthorized web servers by modifying the requested URL, including (1) a // (double slash), (2) a /SUBDIR/.

Published Mar 15, 2002

7.5

HIGH

CVSS 2.0

EPSS 2.44%

Description

Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and connect to unauthorized web servers by modifying the requested URL, including (1) a // (double slash), (2) a /SUBDIR/.. where the desired file is in the parentdir, (3) a /./, or (4) URL-encoded characters.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.44% 0.02443

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

EPSS probability 0.02443

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 (10 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	2.44% (0.02443)	83.74th	v5 (v2026.06.15)
Jun 15, 2026	2.44% (0.02443)	82.14th	v5 (v2026.06.15)
Mar 17, 2025	0.41% (0.00415)	59.53th	v4 (v2025.03.14)
Dec 12, 2024	0.69% (0.00694)	80.86th	v3 (v2023.03.01)
Feb 8, 2024	0.69% (0.00694)	79.55th	v3 (v2023.03.01)
Mar 7, 2023	0.69% (0.00694)	77.09th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://www.mimesweeper.com/support/technotes/notes/1043.asp
x_refsource_MISCVendor Advisory
http://www.securityfocus.com/archive/1/212283
mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/cgi-bin/vulns-item.pl?section=info&id=3296
vdb-entryx_refsource_BIDVendor Advisory

Link	Providers	Tags
http://www.mimesweeper.com/support/technotes/notes/1043.asp		x_refsource_MISCVendor Advisory
http://www.securityfocus.com/archive/1/212283		mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/cgi-bin/vulns-item.pl?section=info&id=3296		vdb-entryx_refsource_BIDVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 15, 2002

Updated Aug 8, 2024

Reserved Mar 15, 2002

Link CVE-2001-1152

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2001-1152

Red Hat

Severity n/a

Public date n/a

Links CVE-2001-1152