PT-2021-22593 · Eyoucms · Eyoucms

Kietna · Published 2021-09-07 · Updated 2021-09-14 · CVE-2021-39497

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: eyoucms version 1.5.4

Description: The issue lacks sanitization of input data, allowing an attacker to inject a URL and trigger blind Server-Side Request Forgery (SSRF) via the saveRemote() function.

Recommendations: For eyoucms version 1.5.4, as a temporary workaround, consider disabling the saveRemote() function until a patch is available. Restrict access to the saveRemote() function to minimize the risk of exploitation.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-39497

Affected Products

Eyoucms

References · 5

• 🔥 https://github.com/KietNA-HPT/CVE · Exploit
• https://osv.dev/vulnerability/CVE-2021-39497 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39497 · Security Note
• http://hptcybersec.com/ssrf_PoC.jpg · Note
• https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4 · Note