CVE-2022-50912 — CRITICAL (9.8)

Vulnerability Description

ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.

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
Impresscms	Impresscms	1.4.4

Related Weaknesses (CWE)

CWE-434

References

https://github.com/ImpressCMS/impresscmsProduct
https://www.exploit-db.com/exploits/50890ExploitThird Party AdvisoryVDB Entry
https://www.impresscms.org/Product
https://www.vulncheck.com/advisories/impresscms-unrestricted-file-uploadThird Party Advisory

FAQ

What is CVE-2022-50912?

CVE-2022-50912 is a vulnerability with a CVSS score of 9.8 (CRITICAL). ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by usi...

How severe is CVE-2022-50912?

CVE-2022-50912 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-2022-50912?

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