VulnerabilityModified
CVE-2021-36582
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.
CRITICAL 9.8EPSS 1.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.48% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- kooboo/kooboo cms
- Source
- cve@mitre.org
References
- https://github.com/l00neyhacker/CVE-2021-36582Third Party Advisory
- https://github.com/l00neyhacker/CVE-2021-36582Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.