CVE-2021-47801

high

Description

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.

References

https://www.vulncheck.com/advisories/vianeos-octopus-loginuser-sqli

https://www.exploit-db.com/exploits/50078

https://vianeos.com/en/products/octopus

http://www.vianeos.com/en/home-vianeos/

Details

Source: Mitre, NVD

Published: 2026-01-16

Updated: 2026-01-16

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N

Severity: High

CVSS v3

Base Score: 8.2

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Severity: High

CVSS v4

Base Score: 8.8

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

Severity: High