Vulnerability record · CVE-2000-0833 · published 14 November 2000

CVE-2000-0833: Jack de winter winsmtp vulnerability

JJack De Winter · Winsmtp

Buffer overflow in WinSMTP 1.06f and 2.X allows remote attackers to cause a denial of service via a long (1) USER or (2) HELO command.

10.0 CVSS 2.0 High EPSS 10% · top 4.4%

10.0CVSS 2.0 base score

10%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

16 Jun 2026Last modified by NVD

Description

Buffer overflow in WinSMTP 1.06f and 2.X allows remote attackers to cause a denial of service via a long (1) USER or (2) HELO command.

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

Affected products

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

JWinsmtp Jack De Winter

References

Link	Tags
http://www.securityfocus.com/archive/1/81693
http://www.securityfocus.com/bid/1680	ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5255
http://www.securityfocus.com/archive/1/81693
http://www.securityfocus.com/bid/1680	ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5255

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Source: NIST National Vulnerability Database (record CVE-2000-0833), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.