CVE-2021-40517 Cross-site scripting in n/a

Medium 5.4 Published 10 Nov 2021 Updated 4 Aug 2024

Stored XSS in Airangel HSMX Gateway allows attackers to inject scripts via the updates table, potentially leading to session hijacking or code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-40517?

CVE-2021-40517 is a medium-severity cross-site scripting vulnerability in n/a, published on 10 Nov 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Airangel HSMX Gateway devices through 5.2.04 is vulnerable to stored Cross Site Scripting. XSS Payload is placed in the name column of the updates table using database access.

Weakness: CWE-79

Which versions are affected by CVE-2021-40517?

It affects 5 products.

Products include Airangel Hsmx-App-1000 Firmware, Airangel Hsmx-App-100 Firmware, Airangel Hsmx-App-20000 Firmware, Airangel Hsmx-App-25 Firmware, Airangel Hsmx-App-5000 Firmware.

How do I fix CVE-2021-40517?

No fix has been published for CVE-2021-40517 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-40517 being exploited?

There is no known exploitation of CVE-2021-40517 in the wild and no public exploit code.

Sources

Also known as GHSA-h762-6348-c38v.