Directory traversal vulnerability in Horde 3.1.6, Groupware before 1.0.5, and Groupware Webmail Edition before 1.0.6, when running with certain configurations, allows remote authenticated users to read and execute arbitrary files via ".." sequences and a null byte in the theme name.
Conclusion & alert: CVE-2008-1284 is rated Moderate Risk (52.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.67%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-06 | 1.46% | 1.67% | +0.20% |
| 2 | 2026-02-16 | 1.31% | 1.46% | +0.15% |
| 3 | 2025-05-28 | — | 1.31% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.0 | 2.0 | MEDIUM |
|
6.8 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2008-1284: 1 GLSA(s) (200805-01), 6 atom(s) (www-apps/horde, www-apps/horde-groupware, www-apps/horde-kronolith, www-apps/horde-mnemo, www-apps/horde-nag, www-apps/horde-webmail); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-1284 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2008-1284 |
ubuntu
|
medium | CVE-2008-1284 medium priority: Ubuntu including 1 source packages (horde3), 6 status rows across 6 suites (dapper, edgy, feisty, gutsy, hardy, upstream): released 5, ignored 1. | https://ubuntu.com/security/CVE-2008-1284 |