{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2019-25572", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-03-21T12:40:32.843Z", "datePublished": "2026-03-21T12:47:11.466Z", "dateUpdated": "2026-03-23T15:38:06.456Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-21T12:47:11.466Z" }, "title": "NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow", "descriptions": [ { "lang": "en", "value": "NordVPN 6.19.6 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the email input field. Attackers can paste a buffer of 100,000 characters into the email field during login to trigger an application crash." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Improper Handling of Overlap Between Protected Memory Ranges", "cweId": "CWE-1260", "type": "CWE" } ] } ], "affected": [ { "vendor": "Nordvpn", "product": "NordVPN", "versions": [ { "version": "6.19.6", "status": "affected" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:nordvpn:nordvpn:6.19.6:*:*:*:*:*:*:*" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nordvpn:nordvpn:3.3.10:*:*:*:*:macos:*:*" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nordvpn:nordvpn:6.12.7.0:*:*:*:*:windows:*:*" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nordvpn:nordvpn:6.14.28.0:*:*:*:*:*:*:*" } ] } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 6.9, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS" }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "references": [ { "url": "https://www.exploit-db.com/exploits/46343", "name": "ExploitDB-46343", "tags": [ "exploit" ] }, { "url": "https://nordvpn.com/", "name": "Official Product Homepage", "tags": [ "product" ] }, { "url": "https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe", "name": "Product Reference", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/nordvpn-denial-of-service-via-email-field-buffer-overflow" } ], "credits": [ { "lang": "en", "value": "Alejandra Sánchez", "type": "finder" } ], "x_generator": { "engine": "vulncheck" }, "datePublic": "2019-02-11T00:00:00.000Z" }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-23T15:37:57.295161Z", "id": "CVE-2019-25572", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-23T15:38:06.456Z" } } ] } }