Security readout for executives and security teams
A very old flaw in the Horde library (version 1.02), used by the IMP webmail application, let a remote attacker slip shell commands into the "from" email address field. Because the library passed that address to the system without proper checks, an attacker could run commands on the mail server. The issue is historic (2000), patched long ago, and unlikely to be present in modern systems, but any legacy install would face full remote compromise. Extremely narrow today. Exposure requires an unpatched Horde library 1.02 / early IMP webmail install reachable over the network. Modern Horde releases and all supported Linux distributions shipped fixes over two decades ago, so mainstream production estates should not be affected. Residual risk sits in abandoned legacy mail hosts, forgotten VMs, or archival systems still running late-1990s LAMP stacks. Low priority for modern environments, but treat as high urgency if discovery reveals any legacy Horde or IMP webmail still online, since successful exploitation would give an attacker command execution on a mail server holding sensitive correspondence. Mitigation focus: Upgrade any Horde/IMP install to a currently supported release from horde.org.; Apply the vendor patch (hordelib-1.2.0.frombug.patch) if legacy code cannot be replaced.; Install Debian (or distribution-equivalent) security updates covering the 2000-09-10 IMP advisory..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2000-0910 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- horde-imp-sendmail-command(5278)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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