NetScaler Console service

Identify and remediate vulnerabilities for CVE-2025-6543

In the NetScaler Console security advisory dashboard, under Current CVEs <number of> NetScaler instances are impacted by CVEs, you can see all the instances vulnerable due to CVE-2025-6543. To check the details of the instances impacted by the CVEs, select CVE-2025-6543 and click View Affected Instances.

Security advisory dashboard for CVE-2025-6543

Note:

To understand the reason for NetScaler vulnerability, download the CSV report in Scan logs tab in Security Advisory.

The <number of> NetScaler instances impacted by CVEs window appears. In the following screen capture, you can see the count and details of the NetScaler instances impacted by CVE-2025-6543.

Instances impacted by CVE-2025-6543

For more information about the security advisory dashboard see, Security Advisory.

Note:

It might take a couple of hours for the security advisory system scan to conclude and reflect the impact of CVE-2025-6543 in the security advisory module. To see the impact sooner, start an on-demand scan by clicking Scan-Now.

Remediate CVE-2025-6543

For CVE-2025-6543 impacted NetScaler instances, the remediation is a single step process and you need to upgrade the vulnerable NetScaler instances to a release and build that has the fix. In the GUI, under Current CVEs > NetScaler instances are impacted by CVEs, you can see the step to remediate.

Under Current CVEs> NetScaler instances impacted by CVEs, you see the following workflow for this single step remediation process, which is Proceed to upgrade workflow.

To upgrade the vulnerable instances, select the instances and click Proceed to upgrade workflow. The upgrade workflow opens with the vulnerable NetScaler instances already populated.

IMPORTANT

If your vulnerable NetScaler instances have the /etc/httpd.conf file copied to the /nsconfig directory, see Upgrade considerations for customized NetScaler configurations before planning NetScaler upgrade.

For more information on how to use NetScaler Console to upgrade NetScaler instances, see Create a NetScaler upgrade job.

Remediation workflow

Identify and remediate vulnerabilities for CVE-2025-6543