How severe is CVE-2001-1152?

CVE-2001-1152 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1152 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1152?

CVE-2001-1152 affects Baltimore Technologies Websweeper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1152?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1152 published?

CVE-2001-1152 was published on 2001-09-05 and last updated on 2026-06-16.

CVE-2001-1152

CVE-2001-1152 is a high-severity vulnerability in Baltimore Technologies Websweeper with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Baltimore Technologies Websweeper
Published: 2001-09-05
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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/.. where the desired file is in the parentdir, (3) a /./, or (4) URL-encoded characters.
How severe is CVE-2001-1152?: CVE-2001-1152 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1152 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1152?: CVE-2001-1152 affects Baltimore Technologies Websweeper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1152?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1152 published?: CVE-2001-1152 was published on 2001-09-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:baltimore_technologies:websweeper:4.02:*:*:*:*:*:*:*

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