PT-2021-10473 · Yccms · Yccms

Published 2021-02-01 · Updated 2021-02-04 · CVE-2020-20290

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: yccms version 3.3

Description: The issue is related to a directory traversal vulnerability in the yccms project. This vulnerability is triggered by the improper judgment of request parameters in the delete, deletesite, and deleteAll functions.

Recommendations: For yccms version 3.3, consider restricting access to the delete, deletesite, and deleteAll functions until a patch is available. As a temporary workaround, review and validate all request parameters to prevent directory traversal attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-20290

Affected Products

Yccms

References · 5

• 🔥 https://blog.jiguang.xyz/posts/yccms-directory-traversal-vulnerability-report · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-20290 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20290 · Vendor Advisory
• https://t.me/cibsecurity/22911 · Telegram Post
• https://t.me/cvenotify/9232 · Telegram Post