CVE-2021-47938: ImpressCMS 1.4.2 Remote Code Execution via Autotasks

Published May 10, 2026
·
Updated

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 satcode parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted satcode containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.

Affected Software

1 affected component
ImpressCMS ImpressCMS=1.4.2

Event History

May 10, 2026
CVE Published
via MITRE·12:43 PM
Data Sourced
via MITRE·12:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-47938?

CVE-2021-47938 has been classified as a critical severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2021-47938?

To mitigate CVE-2021-47938, upgrade to a patched version of ImpressCMS that resolves this vulnerability.

3

What versions are affected by CVE-2021-47938?

CVE-2021-47938 specifically affects ImpressCMS version 1.4.2.

4

What is the impact of exploiting CVE-2021-47938?

Exploitation of CVE-2021-47938 allows authenticated attackers to execute arbitrary PHP code on the server.

5

Who is vulnerable to CVE-2021-47938?

Any user of ImpressCMS version 1.4.2 with access to the autotasks administrative interface is vulnerable to CVE-2021-47938.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203