Description
The default installation of Horde 3.0.4 contains an administrative account with a blank password, which allows remote attackers to gain access.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | horde3 | 3.0.4-4sarge1 | DSA-884-1 |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Horde Groupware Unauthenticated Admin Access http/cves/2005/CVE-2005-3344.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Advisories 1
- DSA-884-1 horde3 - design error Debian Security (DSA / DLA) · Mar 9, 2026
References
- horde-default-account(24576) vdb-entry
- 15337 vdb-entry
- http://www.networkscanning.com/Horde-Default-Admin-Password-Vulnerability-VSS_20171.html
- 24117 vdb-entry
- DSA-884 vendor-advisory