{"id":"CVE-2021-42755","state":"PUBLISHED","title":"An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0","description":"An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below dhcpd daemon may allow an unauthenticated and network adjacent attacker to crash the dhcpd deamon, resulting in potential denial of service.","publishedAt":"2022-07-18T16:35:20.000Z","updatedAt":"2024-08-04T03:38:50.211Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:U/RC:C","source":"fortinet"},"assigner":"fortinet","products":["Fortinet Fortinet FortiSwitch, FortiRecorder, FortiVoiceEnterprise, FortiOS, FortiProxy"],"affected":[{"vendor":"Fortinet","product":"Fortinet FortiSwitch, FortiRecorder, FortiVoiceEnterprise, FortiOS, FortiProxy","versions":[{"version":"FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below","status":"affected"}]}],"references":["https://fortiguard.com/psirt/FG-IR-21-155"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:04.473Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/42xxx/CVE-2021-42755.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-42755","state":"PUBLISHED","datePublished":"2022-07-18T16:35:20.000Z","dateUpdated":"2024-08-04T03:38:50.211Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2021-10-20T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; 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FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below"}]}}]},"vendor_name":"Fortinet"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below dhcpd daemon may allow an unauthenticated and network adjacent attacker to crash the dhcpd deamon, resulting in potential denial of service."}]},"impact":{"cvss":{"attackComplexity":"Low","attackVector":"Adjacent","availabilityImpact":"Low","baseScore":4.2,"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:L/E:F/RL:U/RC:C","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of service"}]}]},"references":{"reference_data":[{"name":"https://fortiguard.com/psirt/FG-IR-21-155","refsource":"CONFIRM","url":"https://fortiguard.com/psirt/FG-IR-21-155"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://fortiguard.com/psirt/FG-IR-21-155","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T03:38:50.211Z"}}]}}}