What is CVE-2020-20287?

CVE-2020-20287 is a critical-severity vulnerability in Yccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-02-01.

How severe is CVE-2020-20287?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Yccms

CVE-2020-20287

Unrestricted file upload vulnerability in the yccms 3.3 project. The xhUp function's improper judgment of the request parameters, triggers remote code execution.

Vulnerability class: Unrestricted File Upload

EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yccms — versions 3.3
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (URL Repurposed, x_refsource_MISC, Broken Link)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-20287?: CVE-2020-20287 is a critical-severity vulnerability in Yccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-02-01.
How severe is CVE-2020-20287?: Critical severity. CVSS v3 base score is 9.8 out of 10.