CVE-2021-28976
HighPublished
Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.
- Published
- Jun 23, 2021
- Updated
- Aug 3, 2024
- Assigning CNA
- mitre
- Evidence observed
- Apr 11, 2025
Primary CVSS
7.2/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H7.5%
Low · next 30 days
- Percentile
- 94.5%
- Model date
- Oct 18, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.
Sources
CodeSecLab · php · Apr 11, 2025
Responsible use
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