Arbitrary file upload in Pluck-cms Pluck

CVE-2020-21564

An issue was discovered in Pluck CMS 4.7.10-dev2 and 4.7.11. There is a file upload vulnerability that can cause a remote command execution via admin.php?action=files.

Vulnerability class: Unrestricted File Upload

EPSS: 0.035 (87.5th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-21564?
CVE-2020-21564 is a high-severity vulnerability in Pluck-cms Pluck, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-09-30.
How severe is CVE-2020-21564?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-21564 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.