CVE-2020-17564

Name: CVE-2020-17564
Creator: NVD / NIST
Published: 2021-04-22T22:15:11.763+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.60%

Last modified Jun 17, 2026

CVE-2020-17564 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Path Traversal in FeiFeiCMS v4.0 allows remote attackers to delete arbitrary files by sending a crafted HTTP request to the " Admin/DataAction.class.php" component.. EPSS estimates a 2.60% chance of exploitation in the next 30 days.

Description

Path Traversal in FeiFeiCMS v4.0 allows remote attackers to delete arbitrary files by sending a crafted HTTP request to the " Admin/DataAction.class.php" component.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

2.60%

83.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Feifeicms	Feifeicms	4.0

References

http://blog.51cto.com/12653365/2328557Exploit, Third Party Advisory
http://blog.51cto.com/12653365/2328557Exploit, Third Party Advisory

Timeline

Published: Apr 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17564?

Path Traversal in FeiFeiCMS v4.0 allows remote attackers to delete arbitrary files by sending a crafted HTTP request to the " Admin/DataAction.class.php" component.

How severe is CVE-2020-17564?

CVE-2020-17564 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.60% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17564?

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-2020-17564?

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

Scan your code now

Source: NVD / NIST