What happened
Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Libraries) allows Serialized Data External Linking. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
Affected versions
Connext Professional: 7.4.0 through before 7.7.0 (custom); 7.0.0 through before 7.3.1.1 (custom); 6.1.0 through before 6.1.* (custom); 6.0.0 through before 6.0.* (custom); 5.3.0 through before 5.3.* (custom); 5.2.0 through before 5.2.* (custom); 4.3x through before 5.1.* (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.
Public PoC references
No public PoC reference has passed the current publication threshold.