What is CVE-2021-28998?

CVE-2021-28998 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-05-08.

How severe is CVE-2021-28998?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Cmsmadesimple Cms Made Simple

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 class: Unrestricted File Upload

EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cmsmadesimple Cms_made_simple
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (Mailing List, Third Party Advisory)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2021-28998?: CVE-2021-28998 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-05-08.
How severe is CVE-2021-28998?: High severity. CVSS v3 base score is 7.2 out of 10.