CVE-2020-17551

Name: CVE-2020-17551
Creator: NVD / NIST
Published: 2020-10-07T17:15:13.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2020-17551 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. ImpressCMS 1.4.0 is affected by XSS in modules/system/admin.php which may result in arbitrary remote code execution.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

ImpressCMS 1.4.0 is affected by XSS in modules/system/admin.php which may result in arbitrary remote code execution.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.09%

61.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Impresscms	Impresscms	1.4.0

References

https://github.com/ImpressCMS/impresscms/issues/659Exploit, Vendor Advisory
https://www.impresscms.org/Product
https://github.com/ImpressCMS/impresscms/issues/659Exploit, Vendor Advisory
https://www.impresscms.org/Product

Timeline

Published: Oct 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17551?

ImpressCMS 1.4.0 is affected by XSS in modules/system/admin.php which may result in arbitrary remote code execution.

How severe is CVE-2020-17551?

CVE-2020-17551 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17551?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17551?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST