{"schemaVersion":3,"id":"CVE-2023-23370","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An insufficiently protected credentials vulnerability has been reported to affect QVPN Device Client. If exploited, the vulnerability could allow local authenticated administrators to gain access to user accounts and access sensitive data used by the user account via unspecified vectors.\n\nWe have already fixed the vulnerability in the following version:\nQVPN Windows 2.1.0.0518 and later","dates":{"published":"2023-10-06T16:35:48.415Z","modified":"2024-09-19T14:45:53.657Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.7,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.7,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.4,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00164,"percentile":0.05247,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.010000000000000005,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00154},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00164,"percentile":0.05247}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00154,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00164,"percentile":0.05247}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-522","name":"Insufficiently Protected Credentials","description":"The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/522.html"}],"affected":[{"vendor":"qnap systems inc.","product":"qvpn windows","name":"QVPN Windows","label":"qvpn windows","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.1.x, < 2.1.0.0518","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.1.x, < 2.1.0.0518","eol":null,"hubHref":"/vendor/qnap_systems_inc/qvpn_windows"},{"vendor":"qnap","product":"qvpn","name":"qvpn","label":"qvpn","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.1.0, < 2.1.0.0518","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.1.0, < 2.1.0.0518","eol":null,"hubHref":"/vendor/qnap/qvpn"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-23-36","label":"www.qnap.com/en/security-advisory/qsa-23-36","hostname":"www.qnap.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-10-06T16:35:48.415Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-19T14:45:53.657Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T21:47:32.708Z","stale":false,"partial":false}}