STIGQter: STIG Summary: VMware vSphere 8.0 vCenter Appliance User Interface (UI) Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 01 Jul 2026:

The vCenter UI service must enable "ENFORCE_ENCODING_IN_GET_WRITER".

DISA Rule

SV-259134r961863_rule

Vulnerability Number

V-259134

Group Title

SRG-APP-000516-AS-000237

Rule Version

VCUI-80-000152

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Navigate to and open:

/usr/lib/vmware-vsphere-ui/server/conf/catalina.properties

Update or remove the following line:

org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER=true

Restart the service with the following command:

# vmon-cli --restart vsphere-ui

Check Contents

At the command line, run the following command:

# grep ENFORCE_ENCODING_IN_GET_WRITER /usr/lib/vmware-vsphere-ui/server/conf/catalina.properties

Example result:

org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER=true

If "org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER" is not set to "true", this is a finding.

If the "org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER" setting does not exist, this is not a finding.

Vulnerability Number

V-259134

Documentable

False

Rule Version

VCUI-80-000152

Severity Override Guidance

At the command line, run the following command:

# grep ENFORCE_ENCODING_IN_GET_WRITER /usr/lib/vmware-vsphere-ui/server/conf/catalina.properties

Example result:

org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER=true

If "org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER" is not set to "true", this is a finding.

If the "org.apache.catalina.connector.response.ENFORCE_ENCODING_IN_GET_WRITER" setting does not exist, this is not a finding.

Check Content Reference

M

Target Key

5568