What is CVE-2021-47938?

CVE-2021-47938 is a high-severity vulnerability in Impresscms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-10.

How severe is CVE-2021-47938?

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

RCE in Impresscms

CVE-2021-47938

ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.003 (50.7th 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

Impresscms — versions 1.4.2

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-2021-47938?: CVE-2021-47938 is a high-severity vulnerability in Impresscms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-10.
How severe is CVE-2021-47938?: High severity. CVSS v3 base score is 8.8 out of 10.