CVE-2000-0911

IMP 2.2 and earlier allows attackers to read and delete arbitrary files by modifying the attachment_name hidden form variable, which causes IMP to send the file to the attacker as an attachment.

What this means for your business

It affects Horde Imp. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it remotely, over a network.

What to do

1Check whether your company or your suppliers run Horde Imp, 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?

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.

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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

Horde Imp2.0, 2.2

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