{"schemaVersion":3,"id":"CVE-2022-27508","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Unauthenticated denial of service","dates":{"published":"2023-01-24T00:00:00.000Z","modified":"2025-04-01T17:52:55.511Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","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:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01015,"percentile":0.62648,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":-0.008000000000000021,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.01023},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01015,"percentile":0.62648}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01023,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01015,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01015,"percentile":0.62648}]},"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-400","name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/400.html"}],"affected":[{"vendor":"citirx","product":"citrix application delivery controller (citrix adc) and citrix gateway","name":"Citrix Application Delivery Controller (Citrix ADC) and Citrix Gateway","label":"citrix application delivery controller (citrix adc) and citrix gateway","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.1-64.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.1-64.16","eol":null,"hubHref":"/vendor/citirx/citrix_application_delivery_controller_citrix_adc_and_citrix_gateway"},{"vendor":"citrix","product":"application_delivery_controller","name":"application delivery controller","label":"application_delivery_controller","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.1-64.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.1-64.16","eol":null,"hubHref":"/vendor/citrix/application_delivery_controller"},{"vendor":"citrix","product":"gateway","name":"gateway","label":"gateway","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.1-64.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.1-64.16","eol":null,"hubHref":"/vendor/citrix/gateway"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.citrix.com/article/CTX457048/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227507-and-cve202227508","label":"support.citrix.com/article/…","hostname":"support.citrix.com","tags":["Mitigation","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-01-24T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-04-01T17:52:55.511Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T09:52:16.295Z","stale":false,"partial":false}}