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Vulnerability record · CVE-2002-0221 · published 16 May 2002

CVE-2002-0221: Etype eserv vulnerability

Etype · Eserv

Etype Eserv 2.97 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of PASV commands that consume ports 1024 through 5000, which prevents the server from accepting valid PASV.

5.0 CVSS 2.0 Medium EPSS 1.6% · top 25.0%
5.0CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Etype Eserv 2.97 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of PASV commands that consume ports 1024 through 5000, which prevents the server from accepting valid PASV.

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

Affected products

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

References

LinkTags
http://online.securityfocus.com/archive/1/252944 PatchVendor Advisory
http://www.iss.net/security_center/static/8020.php PatchVendor Advisory
http://www.securityfocus.com/bid/3983
http://online.securityfocus.com/archive/1/252944 PatchVendor Advisory
http://www.iss.net/security_center/static/8020.php PatchVendor Advisory
http://www.securityfocus.com/bid/3983

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Related vulnerabilities

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

10.0CVE-2008-4588Etype eserv memory buffer overflow vulnerabilityStack-based buffer overflow in the FTP server in Etype Eserv 3.x, possibly 3.26, allows remote attackers to cause a denial of service (daemon crash) …EPSS 6.8%10.0CVE-2000-0523Etype eserv vulnerabilityBuffer overflow in the logging feature of EServ 2.9.2 and earlier allows an attacker to execute arbitrary commands via a long MKD command.EPSS 5.0%7.5CVE-2002-0222Etype eserv vulnerabilityEtype Eserv 2.97 allows remote attackers to redirect traffic to other sites (aka FTP bounce) via the PORT command.EPSS 1.6%7.5CVE-2000-0907Etype eserv vulnerabilityEServ 2.92 Build 2982 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via long HELO and MAIL FROM comman…EPSS 2.0%5.5CVE-2006-2308Etype eserv vulnerabilityDirectory traversal vulnerability in the IMAP service in EServ/3 3.25 allows remote authenticated users to read other user's email messages, create/r…EPSS 1.6%5.0CVE-2003-1266Etype eserv vulnerabilityThe (1) FTP, (2) POP3, (3) SMTP, and (4) NNTP servers in EServer 2.92 through 2.97, and possibly 2.98, allow remote attackers to cause a denial of se…EPSS 3.9%5.0CVE-2003-0290Etype eserv vulnerabilityMemory leak in eServ 2.9x allows remote attackers to cause a denial of service (memory exhaustion) via a large number of connections, whose memory is…EPSS 7.8%5.0CVE-2002-0112Etype eserv vulnerabilityEtype Eserv 2.97 allows remote attackers to view password protected files via /./ in the URL.EPSS 8.1%

Source: NIST National Vulnerability Database (record CVE-2002-0221), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.