VulnerabilityModified
CVE-2020-20287
Unrestricted file upload vulnerability in the yccms 3.3 project.
CRITICAL 9.8EPSS 2.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Unrestricted file upload vulnerability in the yccms 3.3 project. The xhUp function's improper judgment of the request parameters, triggers remote code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.83% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- yccms/yccms
- Source
- cve@mitre.org
References
- http://www.yccms.net/Broken Link, URL Repurposed
- https://blog.jiguang.xyz/posts/remote-code-execution-via-upload-image/Exploit, Third Party Advisory
- http://www.yccms.net/Broken Link, URL Repurposed
- https://blog.jiguang.xyz/posts/remote-code-execution-via-upload-image/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.