CVE-2021-44164 Chain Sea Information Integration Co., Ltd ai chatbot system - Arbitrary File Upload

Critical 9.8 Published 20 Dec 2021 Updated 16 Sep 2024

Remote attackers can upload malicious scripts to execute arbitrary code or cause denial of service in the Chain Sea AI chatbot system.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-44164?

CVE-2021-44164 is a critical vulnerability in Chain Sea Information Integration Co., Ltd ai chatbot system, published on 20 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2021-44164?

It affects 1 product.

Products include Chinasea Qb Smart Service Robot.

How do I fix CVE-2021-44164?

No fix has been published for CVE-2021-44164 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-44164 being exploited?

There is no known exploitation of CVE-2021-44164 in the wild and no public exploit code.

Sources

Also known as GHSA-pv5h-978v-cqvr.