title: Netentsec NS-ASG Application Security Gateway naccheck.php xpath injection
description: A vulnerability, which was classified as problematic, was found in Netentsec NS-ASG Application Security Gateway 6.3. Affected is an unknown function of the file /nac/naccheck.php. The manipulation of the argument username leads to improper neutralization of data within xpath expressions. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257286 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
problem types: CWE-643 Improper Neutralization of Data within XPath Expressions
affected:
{
vendor: Netentsec
product: NS-ASG Application Security Gateway
versions:
version: 6.3, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
baseScore: 4.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
baseSeverity: MEDIUM
]