{"id":"CVE-2025-11602","state":"PUBLISHED","title":"Untargeted information leak in Bolt protocol handshake","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.","publishedAt":"2025-10-31T10:20:17.254Z","updatedAt":"2025-10-31T11:37:44.777Z","severity":{"score":6.3,"label":"Medium","version":"4.0","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","source":"Neo4j"},"assigner":"Neo4j","products":["neo4j Enterprise Edition","neo4j Community Edition"],"affected":[{"vendor":"neo4j","product":"Enterprise Edition","defaultStatus":"unaffected","versions":[{"version":"5.26.0","status":"affected","lessThan":"5.26.15","versionType":"semver"},{"version":"2025.1.0","status":"affected","lessThan":"2025.10.1","versionType":"semver"}]},{"vendor":"neo4j","product":"Community Edition","packageName":"neo4j","defaultStatus":"unaffected","versions":[{"version":"5.26.0","status":"affected","lessThan":"5.26.15","versionType":"semver"},{"version":"2025.1.0","status":"affected","lessThan":"2025.10.1","versionType":"semver"}],"collectionURL":"https://mvnrepository.com/artifact/org.neo4j/","repo":"https://github.com/neo4j/neo4j"}],"references":["https://neo4j.com/security/cve-2025-11602"],"weaknesses":["CWE-226"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11602.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11602","state":"PUBLISHED","datePublished":"2025-10-31T10:20:17.254Z","dateUpdated":"2025-10-31T11:37:44.777Z","assignerShortName":"Neo4j","assignerOrgId":"3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6","dateReserved":"2025-10-10T12:54:22.071Z"},"containers":{"cna":{"title":"Untargeted information leak in Bolt protocol handshake","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"neo4j","product":"Enterprise Edition","defaultStatus":"unaffected","versions":[{"version":"5.26.0","status":"affected","lessThan":"5.26.15","versionType":"semver"},{"version":"2025.1.0","status":"affected","lessThan":"2025.10.1","versionType":"semver"}]},{"vendor":"neo4j","product":"Community Edition","packageName":"neo4j","defaultStatus":"unaffected","versions":[{"version":"5.26.0","status":"affected","lessThan":"5.26.15","versionType":"semver"},{"version":"2025.1.0","status":"affected","lessThan":"2025.10.1","versionType":"semver"}],"collectionURL":"https://mvnrepository.com/artifact/org.neo4j/","repo":"https://github.com/neo4j/neo4j"}],"references":[{"url":"https://neo4j.com/security/cve-2025-11602","tags":["vendor-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"CLEAR","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-226","description":"CWE-226: Sensitive Information in Resource Not Removed Before Reuse","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Neo4j","orgId":"3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6","dateUpdated":"2025-10-31T10:20:17.254Z"},"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:neo4j:enterprise_edition:*:*:*:*:*:*:*:*","versionEndExcluding":"5.26.15","versionStartIncluding":"5.26.0","vulnerable":true},{"criteria":"cpe:2.3:a:neo4j:enterprise_edition:*:*:*:*:*:*:*:*","versionEndExcluding":"2025.10.1","versionStartIncluding":"2025.1.0","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:a:neo4j:community_edition:*:*:*:*:*:*:*:*","versionEndExcluding":"5.26.15","versionStartIncluding":"5.26.0","vulnerable":true},{"criteria":"cpe:2.3:a:neo4j:community_edition:*:*:*:*:*:*:*:*","versionEndExcluding":"2025.10.1","versionStartIncluding":"2025.1.0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"impacts":[{"capecId":"CAPEC-410","descriptions":[{"lang":"en","value":"CAPEC-410 Information Elicitation"}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.4.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-31T11:36:06.456339Z","id":"CVE-2025-11602","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-31T11:37:44.777Z"}}]}}}