CVE-2021-44164 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Chinasea	Qb Smart Service Robot	-

Related Weaknesses (CWE)

CWE-434

References

https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.htmlThird Party Advisory

FAQ

What is CVE-2021-44164?

CVE-2021-44164 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 an...

How severe is CVE-2021-44164?

CVE-2021-44164 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-44164?

Check the references section above for vendor advisories and patch information. Affected products include: Chinasea Qb Smart Service Robot.