CVE-2020-23564
CVSS v3
7.2
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
File Upload vulnerability in SEMCMS 3.9 allows remote attackers to run arbitrary code via SEMCMS_Upfile.php.
Technical details
- Published
- 2023-08-05
Frequently asked questions
What is CVE-2020-23564?
File Upload vulnerability in SEMCMS 3.9 allows remote attackers to run arbitrary code via SEMCMS_Upfile.php.
Is CVE-2020-23564 actively exploited?
Active exploitation of CVE-2020-23564 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-23564?
CVE-2020-23564 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2020-23564 affecting your environment?
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