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Vulnerability record · CVE-2000-0524 · published 5 June 2000

CVE-2000-0524: Microsoft exchange server vulnerability

Microsoft · Exchange Server

Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.

5.0 CVSS 2.0 Medium EPSS 15% · top 3.5%
5.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2000-06/0045.html Vendor Advisory
http://www.securityfocus.com/bid/1333 Third Party AdvisoryVDB EntryVendor Advisory
http://archives.neohapsis.com/archives/bugtraq/2000-06/0045.html Vendor Advisory
http://www.securityfocus.com/bid/1333 Third Party AdvisoryVDB EntryVendor Advisory

Track CVE-2000-0524 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2000-0524), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.