{"api_version":"1","generated_at":"2026-07-23T15:42:14+00:00","cve":"CVE-2021-44769","urls":{"html":"https://cve.report/CVE-2021-44769","api":"https://cve.report/api/cve/CVE-2021-44769.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-44769","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-44769"},"summary":{"title":"CVE-2021-44769","description":"An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","state":"PUBLIC","assigner":"prodsec@nozominetworks.com","published_at":"2022-10-24 14:15:00","updated_at":"2023-02-03 15:10:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-44769/","name":"https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-44769/","refsource":"MISC","tags":[],"title":"Error 404","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/","name":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/","refsource":"MISC","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":""},{"url":"https://github.com/CVEProject/cvelist/blob/master/2021/44xxx/CVE-2021-44769.json","name":"https://github.com/CVEProject/cvelist/blob/master/2021/44xxx/CVE-2021-44769.json","refsource":"MISC","tags":["Third Party Advisory"],"title":"cvelist/CVE-2021-44769.json at master · CVEProject/cvelist · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/","name":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/","refsource":"MISC","tags":[],"title":"Vulnerabilities in BMC Firmware Affect OT/IoT Device Security – Part 1","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-44769","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44769","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Andrea Palanca of Nozomi Networks found this bug during a security research activity.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"44769","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"lannerinc","cpe5":"iac-ast2500a","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"44769","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"lannerinc","cpe5":"iac-ast2500a_firmware","cpe6":"1.10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"prodsec@nozominetworks.com","ID":"CVE-2021-44769","STATE":"PUBLIC","TITLE":"TLS Certificate Generation Function Improper Input Validation"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"IAC-AST2500A","version":{"version_data":[{"version_affected":"=","version_value":"1.10.0"}]}}]},"vendor_name":"Lanner Inc"}]}},"credit":[{"lang":"eng","value":"Andrea Palanca of Nozomi Networks found this bug during a security research activity."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20 Improper Input Validation"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/","name":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/"},{"refsource":"MISC","url":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/","name":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/"}]},"source":{"advisory":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2022-10-24 14:15:00","lastModifiedDate":"2023-02-03 15:10:00","problem_types":["CWE-20"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:lannerinc:iac-ast2500a_firmware:1.10.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:lannerinc:iac-ast2500a:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":null,"notes":[]}}}