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CVE-2004-2137
Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients…
Medium5.0EPSS 26.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 26.1% · top 2.0% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- 11040 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.networksecurity.fi/advisories/outlook-bcc.html (opens in a new tab)x_refsource_MISCx_transferred
- 1011067 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- outlook-email-address-disclosure(17098) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 843555 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
- 12376 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 9167 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2004-2137)Record last updated .