CVE-2021-43741 — CRITICAL (9.8)

Vulnerability Description

CMSimple 5.4 is vulnerable to Directory Traversal. The vulnerability exists when a user changes the file name to malicious file on config.php leading to remote code execution.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cmsimple	Cmsimple	5.4

Related Weaknesses (CWE)

CWE-22

References

https://github.com/iiSiLvEr/CMSimple5.4-VulnerabilitiesBroken Link
https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43741ExploitThird Party Advisory
https://github.com/iiSiLvEr/CMSimple5.4-VulnerabilitiesBroken Link
https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43741ExploitThird Party Advisory

FAQ

What is CVE-2021-43741?

CVE-2021-43741 is a vulnerability with a CVSS score of 9.8 (CRITICAL). CMSimple 5.4 is vulnerable to Directory Traversal. The vulnerability exists when a user changes the file name to malicious file on config.php leading to remote code execution.

How severe is CVE-2021-43741?

CVE-2021-43741 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-43741?

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