The form library in Horde Application Framework 3.2 before 3.2.5 and 3.3 before 3.3.5; Groupware 1.1 before 1.1.6 and 1.2 before 1.2.4; and Groupware Webmail Edition 1.1 before 1.1.6 and 1.2 before 1.2.4; reuses temporary filenames during the upload process which allows remote attackers, with privileges to write to the address book, to overwrite arbitrary files and execute PHP code via crafted Horde_Form_Type_image form field elements.
Conclusion & alert: CVE-2009-3236 is rated Moderate Risk (47/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.31%). Core evidence: EPSS rose +1.47% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 0.84% | 2.31% | +1.47% |
| 2 | 2025-03-30 | 1.57% | 0.84% | -0.73% |
| 3 | 2025-03-29 | — | 1.57% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2009-3236: 1 GLSA(s) (200911-01), 3 atom(s) (www-apps/horde, www-apps/horde-groupware, www-apps/horde-webmail); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-3236 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2009-3236 |
ubuntu
|
low | CVE-2009-3236 low priority: Ubuntu including 1 source packages (horde3), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 5, ignored 3, released 2. | https://ubuntu.com/security/CVE-2009-3236 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| horde | application_framework | 3.2 | cpe:2.3:a:horde:application_framework:3.2:*:*:*:*:*:*:* |
| horde | application_framework | 3.2.1 | cpe:2.3:a:horde:application_framework:3.2.1:*:*:*:*:*:*:* |
| horde | application_framework | 3.2.2 | cpe:2.3:a:horde:application_framework:3.2.2:*:*:*:*:*:*:* |
| horde | application_framework | 3.2.3 | cpe:2.3:a:horde:application_framework:3.2.3:*:*:*:*:*:*:* |
| horde | application_framework | 3.2.4 | cpe:2.3:a:horde:application_framework:3.2.4:*:*:*:*:*:*:* |
| horde | application_framework | 3.3 | cpe:2.3:a:horde:application_framework:3.3:*:*:*:*:*:*:* |
| horde | application_framework | 3.3.1 | cpe:2.3:a:horde:application_framework:3.3.1:*:*:*:*:*:*:* |
| horde | application_framework | 3.3.2 | cpe:2.3:a:horde:application_framework:3.3.2:*:*:*:*:*:*:* |
| horde | application_framework | 3.3.3 | cpe:2.3:a:horde:application_framework:3.3.3:*:*:*:*:*:*:* |
| horde | application_framework | 3.3.4 | cpe:2.3:a:horde:application_framework:3.3.4:*:*:*:*:*:*:* |
| horde | groupware | 1.1 | cpe:2.3:a:horde:groupware:1.1:*:*:*:*:*:*:* |
| horde | groupware | 1.1.1 | cpe:2.3:a:horde:groupware:1.1.1:*:*:*:*:*:*:* |
| horde | groupware | 1.1.2 | cpe:2.3:a:horde:groupware:1.1.2:*:*:*:*:*:*:* |
| horde | groupware | 1.1.3 | cpe:2.3:a:horde:groupware:1.1.3:*:*:*:*:*:*:* |
| horde | groupware | 1.1.4 | cpe:2.3:a:horde:groupware:1.1.4:*:*:*:*:*:*:* |
| horde | groupware | 1.1.5 | cpe:2.3:a:horde:groupware:1.1.5:*:*:*:*:*:*:* |
| horde | groupware | 1.2 | cpe:2.3:a:horde:groupware:1.2:*:*:*:*:*:*:* |
| horde | groupware | 1.2 | cpe:2.3:a:horde:groupware:1.2:rc1:*:*:*:*:*:* |
| horde | groupware | 1.2.1 | cpe:2.3:a:horde:groupware:1.2.1:*:*:*:*:*:*:* |
| horde | groupware | 1.2.2 | cpe:2.3:a:horde:groupware:1.2.2:*:*:*:*:*:*:* |
| horde | groupware | 1.2.3 | cpe:2.3:a:horde:groupware:1.2.3:*:*:*:*:*:*:* |
| horde | groupware | 1.1 | cpe:2.3:a:horde:groupware:1.1:rc1:*:*:*:*:*:* |
| horde | groupware | 1.1 | cpe:2.3:a:horde:groupware:1.1:rc2:*:*:*:*:*:* |
| horde | groupware | 1.1 | cpe:2.3:a:horde:groupware:1.1:rc3:*:*:*:*:*:* |
| horde | groupware | 1.1 | cpe:2.3:a:horde:groupware:1.1:rc4:*:*:*:*:*:* |
| horde | groupware | 1.2.3 | cpe:2.3:a:horde:groupware:1.2.3:rc1:*:*:*:*:*:* |