CVE-2018-1000651: Gchq Stroom

Critical severity, CVSS 10.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Stroom version <5.4.5 contains a XML External Entity (XXE) vulnerability in XML Parser that can result in disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via Specially crafted XML file.

Affected products

• Gchq Stroom: before 5.4.5 (fixed in 5.4.5)

Published 2018-08-20. Last modified 2026-06-17.