CVE-2021-36582EPSS p71.6%
CVE-2021-36582CVE-2021-36582
kooboo / kooboo_cms
Description
In Kooboo CMS 2.1.1.0, it is possible to upload a remote shell (e.g., aspx) to the server and then call upon it to receive a reverse shell from the victim server. The files are uploaded to /Content/Template/root/reverse-shell.aspx and can be simply triggered by browsing that URL.
Scoring
| CVSS | 9.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 1.47% probability of exploitation · percentile 71.6% · 2026-08-18T12:04:07Z |
| Last modified | 2026-07-09 |