Critical severity · published Sep 14, 2021
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
9.8
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KC
Kooboo Cms · Kooboo
2.1.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36582
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36582
Third Party Advisory
https://github.com/l00neyhacker/CVE-2021-36582
More from Kooboo Cms
9.8
CVE-2021-36581
Kooboo CMS 2.1.1.0 is vulnerable to Insecure file upload