CVE-2002-0209 — Nortel Alteon ACEdirector WebOS 9.0, with the Server Load Balancing (SLB) and Cookie-Based Persistence features enabled, allows remote attackers to determine the real IP address of a web server with a half-closed session, which causes ACEdirector to send packets from the server without changing the address to the virtual IP address

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MEDIUM

Nortel Alteon ACEdirector WebOS 9.0, with the Server Load Balancing (SLB) and Cookie-Based Persistence features enabled, allows remote attackers to determine the real IP address of a web server with a half-closed session, which causes ACEdirector to send packets from the server without changing the address to the virtual IP address

Published Jun 25, 2002

5.0

MEDIUM

CVSS 2.0

EPSS 3.32%

Description

Nortel Alteon ACEdirector WebOS 9.0, with the Server Load Balancing (SLB) and Cookie-Based Persistence features enabled, allows remote attackers to determine the real IP address of a web server with a half-closed session, which causes ACEdirector to send packets from the server without changing the address to the virtual IP address.

Affected products

Remediation

No remediation recorded yet.

Metrics

3.32% 0.03319

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

EPSS probability 0.03319

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 (13 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	3.32% (0.03319)	88.18th	v5 (v2026.06.15)
Jun 15, 2026	3.32% (0.03319)	86.96th	v5 (v2026.06.15)
Nov 2, 2025	7.83% (0.07825)	91.61th	v4 (v2025.03.14)
Mar 30, 2025	6.75% (0.06753)	90.39th	v4 (v2025.03.14)
Mar 29, 2025	13.31% (0.13307)	90.25th	v4 (v2025.03.14)
Mar 17, 2025	6.75% (0.06753)	90.60th	v4 (v2025.03.14)
Dec 12, 2024	0.66% (0.00660)	80.31th	v3 (v2023.03.01)
Feb 8, 2024	0.66% (0.00660)	78.92th	v3 (v2023.03.01)
Apr 23, 2023	0.66% (0.00660)	76.57th	v3 (v2023.03.01)
Mar 7, 2023	0.67% (0.00670)	76.62th	v3 (v2023.03.01)
Mar 6, 2023	4.19% (0.04187)	87.39th	v2 (v2022.01.01)
Apr 1, 2022	4.19% (0.04187)	86.11th	v2 (v2022.01.01)
Feb 4, 2022	4.19% (0.04187)	69.86th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://online.securityfocus.com/archive/1/252455
mailing-listx_refsource_BUGTRAQPatchVendor Advisory
http://online.securityfocus.com/archive/1/261548
mailing-listx_refsource_BUGTRAQ
http://www.iss.net/security_center/static/8010.php
vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/3964
vdb-entryx_refsource_BID

Link	Providers	Tags
http://online.securityfocus.com/archive/1/252455		mailing-listx_refsource_BUGTRAQPatchVendor Advisory
http://online.securityfocus.com/archive/1/261548		mailing-listx_refsource_BUGTRAQ
http://www.iss.net/security_center/static/8010.php		vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/3964		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 25, 2002

Updated Aug 8, 2024

Reserved May 1, 2002

Link CVE-2002-0209

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0209

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0209