IMP Webmail Client 4.1.5, Horde Application Framework 3.1.5, and Horde Groupware Webmail Edition 1.0.3 does not validate unspecified HTTP requests, which allows remote attackers to (1) delete arbitrary e-mail messages via a modified numeric ID or (2) "purge" deleted emails via a crafted email message.
Conclusion & alert: CVE-2007-6018 is rated Moderate Risk (51.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.40%). 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 | 2026-03-28 | 1.31% | 1.40% | +0.09% |
| 2 | 2026-02-05 | 1.15% | 1.31% | +0.16% |
| 3 | 2025-03-30 | — | 1.15% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2007-6018: 1 GLSA(s) (200802-03), 1 atom(s) (www-apps/horde-imp); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6018 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2007-6018 |
ubuntu
|
medium | CVE-2007-6018 medium priority: Ubuntu including 2 source packages (horde3, imp4), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 8, ignored 4, released 4, needs-triage 2. | https://ubuntu.com/security/CVE-2007-6018 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| horde | framework | 3.1.5 | cpe:2.3:a:horde:framework:3.1.5:*:*:*:*:*:*:* |
| horde | groupware_webmail_edition | 1.0.3 | cpe:2.3:a:horde:groupware_webmail_edition:1.0.3:*:*:*:*:*:*:* |
| horde | horde | 3.1.5 | cpe:2.3:a:horde:horde:3.1.5:*:*:*:*:*:*:* |
| horde | imp | 4.1.5 | cpe:2.3:a:horde:imp:4.1.5:*:*:*:*:*:*:* |