Skip to main content
HIGH

CVE-2020-20290

CVSS v3

7.5

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the request parameters, triggers a directory traversal vulnerability.

Technical details

Published
2021-02-01

Frequently asked questions

What is CVE-2020-20290?

Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the request parameters, triggers a directory traversal vulnerability.

Is CVE-2020-20290 actively exploited?

Active exploitation of CVE-2020-20290 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-20290?

CVE-2020-20290 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-20290 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key