What’s Vulnerable › Vulnerabilities

CVE-2020-17452

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-09 · updated 2026-06-17
• Weakness: CWE-434

Description

flatCore before 1.5.7 allows upload and execution of a .php file by an admin.

Affected products

• Flatcore: before 1.5.7 — fixed in 1.5.7

How to fix

Upgrade to a fixed version: Flatcore 1.5.7. Check the vendor advisory for mitigations.

References

• https://lists.openwall.net/full-disclosure/2020/08/07/1
• https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-flatcore-cms/
• https://lists.openwall.net/full-disclosure/2020/08/07/1
• https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-flatcore-cms/

Get alerted when CVE-2020-17452 or the next vulnerability affects your stack