CVE-2021-28976
CVE-2021-28976
Vexday Risk Score
23Low
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS —EPSS 7.5%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
23 Jun 2021Published on NVD
11 Apr 2025Public PoC
Weaponization speed
1387 daysto first PoC
Recommendation: Plan a near-term fix — a public PoC already exists.
Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.
Affected products
n/a · n/apublic PoCs found — 1
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