CVE-2000-1032 — The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames on the firewall

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MEDIUM

The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames on the firewall

Published Jan 22, 2001

5.0

MEDIUM

CVSS 2.0

EPSS 1.81%

Description

The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames on the firewall.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.81% 0.01812

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

EPSS probability 0.01812

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	1.81% (0.01812)	77.85th	v5 (v2026.06.15)
Jun 15, 2026	1.81% (0.01812)	75.74th	v5 (v2026.06.15)
Mar 17, 2025	1.48% (0.01484)	79.69th	v4 (v2025.03.14)
Dec 12, 2024	0.61% (0.00606)	79.29th	v3 (v2023.03.01)
Feb 8, 2024	0.61% (0.00606)	77.90th	v3 (v2023.03.01)
Mar 7, 2023	0.61% (0.00606)	75.28th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://www.osvdb.org/1632
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/archive/1/142808
mailing-listx_refsource_BUGTRAQExploitVendor Advisory
http://www.securityfocus.com/bid/1890
vdb-entryx_refsource_BIDExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5816
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.osvdb.org/1632		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/archive/1/142808		mailing-listx_refsource_BUGTRAQExploitVendor Advisory
http://www.securityfocus.com/bid/1890		vdb-entryx_refsource_BIDExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5816		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-2000-1032

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2000-1032

Red Hat

Severity n/a

Public date n/a

Links CVE-2000-1032