How severe is CVE-2001-0173?

CVE-2001-0173 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2001-0173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0173?

CVE-2001-0173 primarily affects Nobreak Technologies Crazywwwboard. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0173?

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

When was CVE-2001-0173 published?

CVE-2001-0173 was published on 2001-05-03 and last updated on 2026-06-16.

CVE-2001-0173

CVE-2001-0173 is a critical-severity vulnerability in Nobreak Technologies Crazywwwboard with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nobreak Technologies Crazywwwboard
Published: 2001-05-03
Last modified: 2026-06-16

Description

Buffer overflow in qDecoder library 5.08 and earlier, as used in CrazyWWWBoard, CrazySearch, and other CGI programs, allows remote attackers to execute arbitrary commands via a long MIME Content-Type header.

Frequently asked questions

What is CVE-2001-0173?: Buffer overflow in qDecoder library 5.08 and earlier, as used in CrazyWWWBoard, CrazySearch, and other CGI programs, allows remote attackers to execute arbitrary commands via a long MIME Content-Type header.
How severe is CVE-2001-0173?: CVE-2001-0173 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0173?: CVE-2001-0173 primarily affects Nobreak Technologies Crazywwwboard. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2001-0173 published?: CVE-2001-0173 was published on 2001-05-03 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:nobreak_technologies:crazywwwboard:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:98:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:98pe:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:2000.0lepx:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:2000.0px:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:2000lepx:*:*:*:*:*:*:*
cpe:2.3:a:nobreak_technologies:crazywwwboard:2000px:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:4.0:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:4.3:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:5.0:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:qdecoder:qdecoder:5.0.3:*:*:*:*:*:*:*

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