CVE-2019-9055 in the critical feed json
An issue was discovered in CMS Made Simple 2.2.8.
published 2019-03-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18441
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.3%
- EPSS 12.3% chance of exploitation in 30 days, percentile 96%
- public exploits
- 1
- Metasploit
Summary
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
Timeline
- First public exploit (Metasploit exploit/multi/http/cmsms_object_injection_rce)
- Published
Exploit prediction
12.28% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/multi/http/cmsms_object_injection_rce CMS Made Simple Authenticated RCE via object injection metasploit exploit, normal rank, 2019-03-26
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
cmsmadesimple.org
/2019/03/Announcing-CMS-Made-Simple-v2.2.10-Spuzzum
release-notes, vendor-advisory
-
newsletter.cmsmadesimple.org
/w/89247Qog4jCRCuRinvhsofwg
release-notes, vendor-advisory
- packetstormsecurity.com /files/155322/CMS-Made-Simple-2.2.8-Remote-Code-Execution.html
- blog.certimetergroup.com /it/articolo/security/CMS_Made_Simple_deserialization_attack_%28CVE-2019-9055%29
Sources
- CVE List CVE-2019-9055
- NVD CVE-2019-9055
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.