CVE-2021-28998
Severity Score
7.2
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-03-22 CVE Reserved
- 2023-05-08 CVE Published
- 2025-01-29 CVE Updated
- 2025-01-29 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-434: Unrestricted Upload of File with Dangerous Type
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://seclists.org/fulldisclosure/2021/Mar/50 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/file_upload_RCE/File_upload_to_RCE.md | 2025-01-29 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Cmsmadesimple Search vendor "Cmsmadesimple" | Cms Made Simple Search vendor "Cmsmadesimple" for product "Cms Made Simple" | <= 2.2.15 Search vendor "Cmsmadesimple" for product "Cms Made Simple" and version " <= 2.2.15" | - |
Affected
| ||||||