CVE-2021-47801

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.

Score

CVSS 4.0 8.8 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-01-16

Last modified

2026-01-16

Weaknesses

CWE-89

Affected products

• Vianeos Octopus (Vianeos)

References

• http://www.vianeos.com/en/home-vianeos/
• https://vianeos.com/en/products/octopus
• https://www.exploit-db.com/exploits/50078
• https://www.vulncheck.com/advisories/vianeos-octopus-loginuser-sqli