CVE-2000-1002 — POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks

Back Back to CVE browser

MEDIUM

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks

Published Jan 22, 2001

5.0

MEDIUM

CVSS 2.0

EPSS 7.49%

Description

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks.

Affected products

Remediation

No remediation recorded yet.

Metrics

7.49% 0.07488

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.07488

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 (12 key points)

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

Date	Score	Percentile	Model
Oct 2, 2026	7.49% (0.07488)	94.30th	v5 (v2026.06.15)
Jun 15, 2026	7.49% (0.07488)	93.67th	v5 (v2026.06.15)
Mar 30, 2025	4.09% (0.04092)	87.51th	v4 (v2025.03.14)
Mar 29, 2025	7.07% (0.07067)	85.52th	v4 (v2025.03.14)
Mar 17, 2025	3.45% (0.03447)	86.71th	v4 (v2025.03.14)
Dec 12, 2024	0.46% (0.00461)	76.19th	v3 (v2023.03.01)
Feb 8, 2024	0.46% (0.00461)	74.64th	v3 (v2023.03.01)
Mar 7, 2023	0.46% (0.00461)	71.48th	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://www.securityfocus.com/archive/1/139523
mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/bid/1792
vdb-entryx_refsource_BIDExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5363
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.securityfocus.com/archive/1/139523		mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/bid/1792		vdb-entryx_refsource_BIDExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5363		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 22, 2001

Updated Aug 8, 2024

Reserved Nov 24, 2000

Link CVE-2000-1002

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Sep 23, 2026

Link CVE-2000-1002

Red Hat

Severity n/a

Public date n/a

Links CVE-2000-1002