HIGH · 7.2

CVE-2021-28998

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

Vulnerability Description

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

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

VendorProductVersions
CmsmadesimpleCms Made Simple<= 2.2.15

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-28998?

CVE-2021-28998 is a vulnerability with a CVSS score of 7.2 (HIGH). File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

How severe is CVE-2021-28998?

CVE-2021-28998 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-2021-28998?

Check the references section above for vendor advisories and patch information. Affected products include: Cmsmadesimple Cms Made Simple.