CVE-2000-0583 — vchkpw program in vpopmail before version 4.8 does not properly cleanse an untrusted format string used in a call to syslog, which allows remote attackers to cause a denial of service via a USER or PASS command that contains arbitrary formatting directives

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MEDIUM

vchkpw program in vpopmail before version 4.8 does not properly cleanse an untrusted format string used in a call to syslog, which allows remote attackers to cause a denial of service via a USER or PASS command that contains arbitrary formatting directives

Published Oct 13, 2000

5.0

MEDIUM

CVSS 2.0

EPSS 1.66%

Description

vchkpw program in vpopmail before version 4.8 does not properly cleanse an untrusted format string used in a call to syslog, which allows remote attackers to cause a denial of service via a USER or PASS command that contains arbitrary formatting directives.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.66% 0.01657

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

EPSS probability 0.01657

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 (11 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.66% (0.01657)	75.75th	v5 (v2026.06.15)
Jun 15, 2026	1.67% (0.01671)	73.70th	v5 (v2026.06.15)
Mar 17, 2025	0.74% (0.00739)	71.20th	v4 (v2025.03.14)
Dec 12, 2024	1.18% (0.01179)	85.69th	v3 (v2023.03.01)
Feb 8, 2024	1.18% (0.01179)	84.60th	v3 (v2023.03.01)
Nov 8, 2023	1.32% (0.01322)	84.46th	v3 (v2023.03.01)
Mar 7, 2023	1.26% (0.01256)	83.43th	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 (3)

http://www.securityfocus.com/bid/1418
vdb-entryx_refsource_BID
http://www.securityfocus.com/templates/archive.pike?list=1&msg=395BD2A8.5D3396A7%40secureaustin.com
mailing-listx_refsource_BUGTRAQ
http://www.vpopmail.cx/vpopmail-ChangeLog
x_refsource_CONFIRMURL Repurposed

Link	Providers	Tags
http://www.securityfocus.com/bid/1418		vdb-entryx_refsource_BID
http://www.securityfocus.com/templates/archive.pike?list=1&msg=395BD2A8.5D3396A7%40secureaustin.com		mailing-listx_refsource_BUGTRAQ
http://www.vpopmail.cx/vpopmail-ChangeLog		x_refsource_CONFIRMURL Repurposed

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 13, 2000

Updated Aug 8, 2024

Reserved Jul 19, 2000

Link CVE-2000-0583

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2000-0583

Red Hat

Severity n/a

Public date n/a

Links CVE-2000-0583