{"schemaVersion":3,"id":"CVE-2023-5594","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper validation of the server’s certificate chain in secure traffic scanning feature considered intermediate certificate signed using the MD5 or SHA1 algorithm as trusted.","dates":{"published":"2023-12-21T11:30:41.256Z","modified":"2024-08-02T08:07:32.481Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.6,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/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":8.6,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00376,"percentile":0.30068,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00376},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00376,"percentile":0.30068}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00376,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00376,"percentile":0.30068}]},"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-295","name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/295.html"}],"affected":[{"vendor":"eset","product":"endpoint_antivirus","name":"endpoint antivirus","label":"endpoint_antivirus","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0","noFixRecorded":true,"fixedIn":null},{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0 (No fix recorded) | na","eol":null,"hubHref":"/vendor/eset/endpoint_antivirus"},{"vendor":"eset","product":"endpoint_security","name":"endpoint security","label":"endpoint_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/endpoint_security"},{"vendor":"eset","product":"file_security","name":"file security","label":"file_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/file_security"},{"vendor":"eset","product":"internet_security","name":"internet security","label":"internet_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/internet_security"},{"vendor":"eset","product":"mail_security","name":"mail security","label":"mail_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/mail_security"},{"vendor":"eset","product":"nod32_antivirus","name":"nod32 antivirus","label":"nod32_antivirus","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/nod32_antivirus"},{"vendor":"eset","product":"security","name":"security","label":"security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/security"},{"vendor":"eset","product":"server_security","name":"server security","label":"server_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.1","noFixRecorded":true,"fixedIn":null},{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.1 (No fix recorded) | na","eol":null,"hubHref":"/vendor/eset/server_security"},{"vendor":"eset","product":"smart_security","name":"smart security","label":"smart_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/eset/smart_security"}],"affectedCount":9,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.eset.com/en/ca8562-eset-customer-advisory-improper-following-of-a-certificates-chain-of-trust-in-eset-security-products-fixed","label":"support.eset.com/en/…","hostname":"support.eset.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-12-21T11:30:41.256Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T08:07:32.481Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:19:25.263Z","stale":false,"partial":false}}