{"id":"CVE-2021-26111","state":"PUBLISHED","title":"A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjac","description":"A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device.","publishedAt":"2021-06-01T19:57:24.000Z","updatedAt":"2024-10-25T13:58:45.100Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"fortinet"},"assigner":"fortinet","products":["Fortinet Fortinet FortiSwitch"],"affected":[{"vendor":"Fortinet","product":"Fortinet FortiSwitch","versions":[{"version":"FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below","status":"affected"}]}],"references":["https://fortiguard.com/advisory/FG-IR-21-026"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26111.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26111","state":"PUBLISHED","datePublished":"2021-06-01T19:57:24.000Z","dateUpdated":"2024-10-25T13:58:45.100Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2021-01-25T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device."}],"affected":[{"vendor":"Fortinet","product":"Fortinet FortiSwitch","versions":[{"version":"FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below","status":"affected"}]}],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-026","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Denial of service","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"fortinet","dateUpdated":"2021-06-01T19:57:24.000Z","orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@fortinet.com","ID":"CVE-2021-26111","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Fortinet FortiSwitch","version":{"version_data":[{"version_value":"FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below"}]}}]},"vendor_name":"Fortinet"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device."}]},"impact":{"cvss":{"attackComplexity":"Low","attackVector":"Adjacent","availabilityImpact":"High","baseScore":6.2,"baseSeverity":"Medium","confidentialityImpact":"None","integrityImpact":"None","privilegesRequired":"None","scope":"Unchanged","userInteraction":"None","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of service"}]}]},"references":{"reference_data":[{"name":"https://fortiguard.com/advisory/FG-IR-21-026","refsource":"CONFIRM","url":"https://fortiguard.com/advisory/FG-IR-21-026"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-026","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:19:20.121Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-23T13:58:52.027136Z","id":"CVE-2021-26111","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-25T13:58:45.100Z"}}]}}}