CVE-2021-47734 — HIGH (7.8)

Vulnerability 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 Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cmsimple	Cmsimple	5.4

Related Weaknesses (CWE)

CWE-98

References

https://www.cmsimple.org/en/Product
https://www.exploit-db.com/exploits/50547Exploit
https://www.vulncheck.com/advisories/cmsimple-authenticated-local-file-inclusionThird Party Advisory

FAQ

What is CVE-2021-47734?

CVE-2021-47734 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 vulnerabil...

How severe is CVE-2021-47734?

CVE-2021-47734 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-47734?

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