CVE-2004-2137

Name: CVE-2004-2137
Creator: NVD / NIST
Published: 2004-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 26.14%

Last modified Jun 16, 2026

CVE-2004-2137 is a vulnerability of currently unknown severity. Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients of the message to the addresses listed in the To and CC fields, which may allow remote attackers to obtain sensitive information.. EPSS estimates a 26.14% chance of exploitation in the next 30 days.

Description

Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients of the message to the addresses listed in the To and CC fields, which may allow remote attackers to obtain sensitive information.

Metrics

EPSS Probability

26.14%

97.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Outlook Express	6.0

References

http://secunia.com/advisories/12376Patch, Vendor Advisory
http://securitytracker.com/id?1011067Patch
http://support.microsoft.com/kb/843555Patch, Vendor Advisory
http://www.networksecurity.fi/advisories/outlook-bcc.htmlPatch, Vendor Advisory
http://www.osvdb.org/9167
http://www.securityfocus.com/bid/11040
https://exchange.xforce.ibmcloud.com/vulnerabilities/17098
http://secunia.com/advisories/12376Patch, Vendor Advisory
http://securitytracker.com/id?1011067Patch
http://support.microsoft.com/kb/843555Patch, Vendor Advisory
http://www.networksecurity.fi/advisories/outlook-bcc.htmlPatch, Vendor Advisory
http://www.osvdb.org/9167
http://www.securityfocus.com/bid/11040
https://exchange.xforce.ibmcloud.com/vulnerabilities/17098

Timeline

Published: Dec 31, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-2137?

How severe is CVE-2004-2137?

Severity scoring for CVE-2004-2137 is pending analysis. The EPSS model estimates a 26.14% probability of exploitation in the next 30 days.

How do I fix CVE-2004-2137?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2137?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST