CVE intelligence and bounded remediation

CVE-2025-11602 — Potential information leak in bolt protocol handshake in Neo4j Enterpri… security vulnerability

Medium CVSS 6.3

Potential information leak in bolt protocol handshake in Neo4j Enterprise and Community editions allows attacker to obtain one byte of information from previous connections. The attacker has no control over the information leaked in server responses.

Severity
Medium
CVSS
6.3 (4.0)
Published
2025-10-31
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-226

Affected products

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Matched remediation archetype

General vulnerability remediation

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Check exposure

  • Confirm the affected component, deployment paths, reachable interfaces, and enabled features from inventories and configuration, without probing production destructively.
  • Compare the advisory's affected conditions with the repository lockfiles, build manifests, artifacts, and runtime inventory.
  • Identify data sensitivity, trust boundaries, and privilege level for every confirmed affected deployment.

Remediate safely

  • Apply a vendor-supported fix or remove the affected component or feature; record the selected change and its source in the repository.
  • Update direct and transitive dependency locks, generated artifacts, deployment manifests, and asset inventories together.
  • Add a regression test for the documented unsafe condition using inert inputs and preserve rollback instructions.

Authoritative sources

Complete CVE record and remediation plan

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