CVE-2021-47801 HIGH

CVE-2021-47801: Vianeos OctoPUS 5 - 'login_user' SQLi

Vendor Vianeos
Product Vianeos OctoPUS
Weakness CWE-89 · SQLi
Published January 15, 2026
Last update January 16, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests. Attackers can exploit this vulnerability by crafting malicious POST requests with specially constructed SQL payloads that trigger database sleep functions to extract information.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 16, 2026 Record updated