CVE-2020-20979

CRITICAL 9.8CVE-2020-20979 · Published 12/08/2021 · updated 17/06/2026

In short

CVE-2020-20979 is a CRITICAL (CVSS 9.8) vulnerability affecting ljcms (8cms).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 75.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
ljcms 8cms	`= 4.3.-`	No fix yet

An arbitrary file upload vulnerability in the move_uploaded_file() function of LJCMS v4.3 allows attackers to execute arbitrary code.

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