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10.0High

Netscape Messaging Server

CVE-2000-0961

Buffer overflow in IMAP server in Netscape Messaging Server 4.15 Patch 2 allows local users to execute arbitrary commands via a long LIST command.

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.
  • An attacker can use it remotely, over a network.
  • FIRST's prediction model gives it a 2% chance of attack attempts being seen in the next 30 days, ranking above 83% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Netscape Messaging Server, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Check if you’re exposedBook a call

Scoring

CVSS
10.0 (v2.0)
Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Assigned by
cve@mitre.org

Dates

Published
2000-12-19
Last modified
2026-09-23
Sources
NVD

Affected products

  • Netscape Messaging Server4.0
  • Netscape Netscape Messaging Server Multiplexor4.0

As listed in the NVD configuration data. Not a statement about your estate.

References