CVE-2020-21554
CVSS v3
8.1
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.
Technical details
- Published
- 2022-03-25
Frequently asked questions
What is CVE-2020-21554?
A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.
Is CVE-2020-21554 actively exploited?
Active exploitation of CVE-2020-21554 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-21554?
CVE-2020-21554 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2020-21554 affecting your environment?
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