CVE-2021-47736 — HIGH (7.2)

Vulnerability Description

CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functionality that allows administrative users to upload malicious PHP files. Attackers with valid credentials can exploit the CSRF token mechanism to create a PHP shell file that enables arbitrary command execution on the server.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cmsimple-Xh	Cmsimple Xh	1.7.4

Related Weaknesses (CWE)

CWE-94

References

https://www.cmsimple-xh.org/Product
https://www.exploit-db.com/exploits/50367ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/cmsimplexh-authenticated-remote-code-executThird Party Advisory

FAQ

What is CVE-2021-47736?

CVE-2021-47736 is a vulnerability with a CVSS score of 7.2 (HIGH). CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functionality that allows administrative users to upload malicious PHP files. Attackers with vali...

How severe is CVE-2021-47736?

CVE-2021-47736 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-47736?

Check the references section above for vendor advisories and patch information. Affected products include: Cmsimple-Xh Cmsimple Xh.