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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
CISA-ADPADP
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
VendorProductVersion
cmsmadesimplecms_made_simple
𝑥
≤ 2.2.15
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/file_upload_RCE/File_upload_to_RCE.md
https://seclists.org/fulldisclosure/2021/Mar/50
https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/file_upload_RCE/File_upload_to_RCE.md
https://seclists.org/fulldisclosure/2021/Mar/50