CVE-2004-2137 json
Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients…
published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2129
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.1%
- EPSS 26.1% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- securitytracker.com/id?1011067 patch
- support.microsoft.com/kb/843555 advisory
- networksecurity.fi/advisories/outlook-bcc.html advisory
- secunia.com/advisories/12376 advisory
Exploit prediction
26.14% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
support.microsoft.com
/kb/843555
vendor-advisory, patch
-
networksecurity.fi
/advisories/outlook-bcc.html
patch, vendor-advisory
-
securitytracker.com
/id?1011067
vdb-entry, patch
-
secunia.com
/advisories/12376
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/11040
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/17098
vdb-entry
-
osvdb.org
/9167
vdb-entry
Sources
- CVE List CVE-2004-2137
- NVD CVE-2004-2137
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