What is CVE-2021-47939?

CVE-2021-47939 is a high-severity vulnerability in Evo Evolution Cms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-10.

How severe is CVE-2021-47939?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Evo Evolution Cms

CVE-2021-47939

Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows authenticated users with module creation permissions to execute arbitrary system commands by injecting PHP code into module parameters. Attackers can send POST…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.004 (59.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Evo Evolution Cms — versions 3.1.6

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47939?: CVE-2021-47939 is a high-severity vulnerability in Evo Evolution Cms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-10.
How severe is CVE-2021-47939?: High severity. CVSS v3 base score is 8.8 out of 10.