CVE-2021-28976

moderate-risk
Published 2021-06-23

Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.

Do I need to act?

~
5.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

39
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 8/34 · Low
Exposure 5/34 · Minimal