CVE-2004-2137
Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2004-2137- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2004-2137- Updated
- 2026-11-02
EUVDEUVD-2004-2129 No score
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.
- Record
EUVD-2004-2129- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8m78-x5mr-mm5q No score
Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages...
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.
- Record
GHSA-8m78-x5mr-mm5q- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-2137 is a medium vulnerability (CVSS 5.0) in Microsoft Outlook Express, published December 31, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 26.1%, the 98th percentile. No source names a fixed version.
References
securityfocus.com/bid/11040
networksecurity.fi/advisories/outlook-bcc.html
securitytracker.com/id?1011067
exchange.xforce.ibmcloud.com/vulnerabilities/17098
support.microsoft.com/kb/843555
secunia.com/advisories/12376
osvdb.org/9167
nvd.nist.gov/vuln/detail/CVE-2004-2137
github.com/advisories/GHSA-8m78-x5mr-mm5q