PT-2021-22596 · Eyoucms · Eyoucms

Kietna · Published 2021-09-07 · Updated 2021-09-15 · CVE-2021-39500

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: Eyoucms version 1.5.4

Description: The issue is related to a lack of input data sanitization in parameters tpldir, filename, type, and nid. This allows an attacker to inject "../" and escape, potentially writing files to writable directories.

Recommendations: For Eyoucms version 1.5.4, consider restricting access to the parameters tpldir, filename, type, and nid to minimize the risk of exploitation. 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-2021-39500

Affected Products

Eyoucms

References · 5

• 🔥 https://github.com/KietNA-HPT/CVE · Exploit
• https://osv.dev/vulnerability/CVE-2021-39500 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39500 · Security Note
• https://t.me/cibsecurity/28402 · Telegram Post
• https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4 · Note