CVE-2025-11602

Untargeted information leak in Bolt protocol handshake

Published Oct 31, 2025 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Neo4j
Neo4j neo4j
Vendors & Products Neo4j
Neo4j neo4j
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Untargeted information leak in Bolt protocol handshake
Weaknesses CWE-226
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/V:D/U:Clear'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Neo4j
Published
Updated
Oct 31, 2025, 11:37 AM
Reserved
Oct 10, 2025, 12:54 PM
Status
Deferred
Published
Oct 31, 2025, 11:15 AM
Modified
Oct 18, 2026, 9:10 PM
Severity
Moderate
Public date
Oct 31, 2025, 10:20 AM