Portal for ArcGIS vulnerability

What happened

There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 12.0 and earlier that may under difficult to reproduce circumstances allow a remote, unauthenticated attacker to reflect sensitive information in a http response body.

Affected versions

Portal for ArcGIS: 11.1 through 12.0 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.