CVE-2021-44164

CRITICAL

Chinasea QB Smart Service Robot - Unrestricted File Upload

Title source: rule
STIX 2.1

Description

Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html

Scores

CVSS v3 9.8
EPSS 0.0305
EPSS Percentile 86.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
chinasea/qb_smart_service_robot
Published Dec 20, 2021
Tracked Since Feb 18, 2026