CVE-2024-5590: Netentsec Application Security Gateway

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3. It has been declared as critical. This vulnerability affects unknown code of the file /protocol/iscuser/uploadiscuser.php of the component JSON Content Handler. The manipulation of the argument messagecontent leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-266848. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Netentsec Application Security Gateway: version 6.3 only

Published 2024-06-03. Last modified 2026-06-17.