CVE-2018-2628: Oracle WebLogic Server Unspecified Vulnerability Allows Unauthenticated T3 Access
What It Is — Oracle WebLogic Server contains an unspecified vulnerability that can be leveraged by an unauthenticated attacker who can reach the T3 protocol port, potentially leading to full server compromise.
Exploitability — Public proof‑of‑concept code exists; CVSS v3.1 base score 9.8 (Critical), indicating a high likelihood of remote code execution.
Affected Products — Oracle WebLogic Server (all versions prior to the March 2018 security patch).
Why It Matters for Trust & Control Assurance
- Continuous vulnerability monitoring and rapid patch deployment are essential control evidence for auditors.
- Demonstrating timely remediation shows due‑diligence in the “Vulnerability Management” control area, a signal that spans NIST CSF, ISO 27001, and other frameworks.
- Maintaining defensible audit trails of patch status and network segmentation (e.g., restricting T3) strengthens the organization’s overall trust posture.
Recommended Actions
- Apply Oracle’s March 2018 patch (or later) to all WebLogic instances.
- Restrict inbound T3 traffic to trusted IP ranges via firewall or security groups.
- Update your asset inventory and vulnerability scan profiles to include the patched version.
- Capture patch‑deployment evidence in your control‑mapping repository for audit readiness.
Source: CISA KEV – CVE‑2018‑2628