What’s Vulnerable › Vulnerabilities

CVE-2020-20290

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-01 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Yccms: 3.3

References

• https://blog.jiguang.xyz/posts/yccms-directory-traversal-vulnerability-report/
• https://blog.jiguang.xyz/posts/yccms-directory-traversal-vulnerability-report/

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