CVEvulnerability

CVE-2021-44164

9.8 CRITICAL Published 2021-12-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-434

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.

Affected configurations

• chinasea qb smart service robot

Related

Weakness · CWE (1)

  • CWE-434 Unrestricted Upload of File with Dangerous Type weakness

References