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Vulnerability record · CVE-2001-0681 · published 20 September 2001

CVE-2001-0681: Qpc software qvt net vulnerability

Qpc Software · Qvt Net

Buffer overflow in ftpd in QPC QVT/Net 5.0 and QVT/Term 5.0 allows a remote attacker to cause a denial of service via a long (1) username or (2) password.

5.0 CVSS 2.0 Medium EPSS 1.4% · top 29.4%
5.0CVSS 2.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in ftpd in QPC QVT/Net 5.0 and QVT/Term 5.0 allows a remote attacker to cause a denial of service via a long (1) username or (2) password.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/archive/1/176712 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6376
http://www.securityfocus.com/archive/1/176712 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6376

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2001-0443Qpc software qvt net vulnerabilityBuffer overflow in QPC QVT/Net Popd 4.20 in QVT/Net 5.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands…EPSS 1.8%7.5CVE-1999-1539Qpc software qvt net vulnerabilityBuffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and QVT/Net 4.3 allows remote attackers to cause a denial of serv…EPSS 12%5.0CVE-2001-0680Qpc software avt term vulnerabilityDirectory traversal vulnerability in ftpd in QPC QVT/Net 4.0 and AVT/Term 5.0 allows a remote attacker to traverse directories on the web server via …EPSS 6.0%

Source: NIST National Vulnerability Database (record CVE-2001-0681), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.