CVE-2002-0221 — 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

Back Back to CVE browser

MEDIUM

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

Published May 3, 2002

5.0

MEDIUM

CVSS 2.0

EPSS 1.61%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.61% 0.01614

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01614

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.61% (0.01614)	75.11th	v5 (v2026.06.15)
Jun 15, 2026	1.61% (0.01614)	72.77th	v5 (v2026.06.15)
Mar 17, 2025	0.74% (0.00739)	71.20th	v4 (v2025.03.14)
Dec 12, 2024	0.67% (0.00671)	80.48th	v3 (v2023.03.01)
Feb 8, 2024	0.67% (0.00671)	79.17th	v3 (v2023.03.01)
Mar 7, 2023	0.67% (0.00671)	76.66th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://online.securityfocus.com/archive/1/252944
mailing-listx_refsource_BUGTRAQPatchVendor Advisory
http://www.iss.net/security_center/static/8020.php
vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/3983
vdb-entryx_refsource_BID

Link	Providers	Tags
http://online.securityfocus.com/archive/1/252944		mailing-listx_refsource_BUGTRAQPatchVendor Advisory
http://www.iss.net/security_center/static/8020.php		vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/3983		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 3, 2002

Updated Aug 8, 2024

Reserved May 1, 2002

Link CVE-2002-0221

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0221

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0221