5.0Medium
Netscape Messaging Server
CVE-2000-0960
The POP3 server in Netscape Messaging Server 4.15p1 generates different error messages for incorrect user names versus incorrect passwords, which allows remote attackers to determine valid users on the system and harvest email addresses for spam abuse.
What this means for your business
- It affects Netscape Messaging Server. It matters if your company, or a supplier that handles your data, runs it.
- Code showing how to exploit it has been published, but real attacks have not been confirmed.
- An attacker can use it remotely, over a network.
What to do
- 1Check whether your company or your suppliers run Netscape Messaging Server, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
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Scoring
- CVSS
- 5.0 (v2.0)
- Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Assigned by
- cve@mitre.org
Dates
- Published
- 2000-12-19
- Last modified
- 2026-09-23
- Sources
- NVD
Affected products
- Netscape Messaging Server4.15
As listed in the NVD configuration data. Not a statement about your estate.