CVE-2021-47734

Description

CMSimple 5.4 contains an authenticated local file inclusion vulnerability that allows remote attackers to manipulate PHP session files and execute arbitrary code. Attackers can leverage the vulnerability by changing the functions file path and uploading malicious PHP code through session file upload mechanisms.

CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-98 CWE-98

Affected Products

Vendor	Product	Versions
cmsimple	cmsimple	All

References

Exploits

https://www.exploit-db.com/exploits/50547

Other References

https://www.cmsimple.org/en/ https://www.vulncheck.com/advisories/cmsimple-authenticated-local-file-inclusion-remote-code-execution

Frequently Asked Questions

What is CVE-2021-47734? +

CMSimple 5.4 contains an authenticated local file inclusion vulnerability that allows remote attackers to manipulate PHP session files and execute arbitrary code. Attackers can leverage the vulnerability by changing the functions file path and uploading malicious PHP code through session file upload mechanisms. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-47734? +

CVE-2021-47734 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2021-47734? +

CVE-2021-47734 affects products from cmsimple, specifically: cmsimple. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-47734? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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