CVE-2020-20287

moderate-risk
Published 2021-02-01

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

Do I need to act?

~
3.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Yccms

Affected Vendors

Yccms

References (4)

Broken Link http://www.yccms.net/
Exploit https://blog.jiguang.xyz/posts/remote-code-execution-via-upload-image/
Broken Link http://www.yccms.net/
Exploit https://blog.jiguang.xyz/posts/remote-code-execution-via-upload-image/
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal