CVE-2024-2021 Netentsec NS-ASG Application Security Gateway list_localuser.php sql injection

Medium 6.3 Published 29 Feb 2024 Updated 8 Aug 2024

Remote attackers can exploit SQL injection in the list_localuser.php script to read or modify database contents on Netentsec NS-ASG gateways.

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

What is CVE-2024-2021?

CVE-2024-2021 is a medium-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 29 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3. It has been classified as critical. Affected is an unknown function of the file /admin/list_localuser.php. The manipulation of the argument ResId leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-255300. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-89

Which versions are affected by CVE-2024-2021?

It affects 1 product.

Products include Netentsec Application Security Gateway.

How do I fix CVE-2024-2021?

No fix has been published for CVE-2024-2021 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2024-2021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2021 exists.

Sources

Also known as GHSA-43px-q73q-v324.