{"api_version":"1","generated_at":"2026-07-23T14:14:56+00:00","cve":"CVE-2024-20353","urls":{"html":"https://cve.report/CVE-2024-20353","api":"https://cve.report/api/cve/CVE-2024-20353.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-20353","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-20353"},"summary":{"title":"Cisco ASA and FTD Denial of Service Vulnerability","description":"Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition.","state":"RESERVED","assigner":"cve@mitre.org","published_at":"2024-04-24","updated_at":"2023-11-08 16:08:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://www.cve.org/CVERecord?id=CVE-2024-20353","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20353","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":{"cve_year":"2024","cve_id":"20353","cve":"CVE-2024-20353","vendorProject":"Cisco","product":"Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)","vulnerabilityName":"Cisco ASA and FTD Denial of Service Vulnerability","dateAdded":"2024-04-24","shortDescription":"Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition.","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","dueDate":"2024-05-01","knownRansomwareCampaignUse":"Unknown","notes":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-websrvs-dos-X8gNucD2;   https://nvd.nist.gov/vuln/detail/CVE-2024-20353","cwes":"CWE-835","catalogVersion":"2026.07.22","updated_at":"2026-07-22 20:07:15"},"epss":{"cve_year":"2024","cve_id":"20353","cve":"CVE-2024-20353","epss":"0.706860000","percentile":"0.993280000","score_date":"2026-07-22","updated_at":"2026-07-23 00:09:32"},"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2024-20353","ASSIGNER":"cve@mitre.org","STATE":"RESERVED"},"description":{"description_data":[{"lang":"eng","value":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."}]}},"nvd":{"publishedDate":null,"lastModifiedDate":null,"problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":null,"notes":[]}}}