{"id":"CVE-2021-26102","state":"PUBLISHED","title":"A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system b","description":"A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system by sending a crafted POST request. In particular, deleting specific configuration files will reset the Admin password to its default value.","publishedAt":"2024-12-19T13:56:38.177Z","updatedAt":"2024-12-19T15:17:08.639Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C","source":"fortinet"},"assigner":"fortinet","products":["Fortinet FortiWAN"],"affected":[{"vendor":"Fortinet","product":"FortiWAN","defaultStatus":"unaffected","versions":[{"version":"4.5.0","status":"affected","lessThanOrEqual":"4.5.7","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThanOrEqual":"4.4.1","versionType":"semver"}],"cpes":[]}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-21-048"],"weaknesses":["CWE-305"],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26102.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26102","state":"PUBLISHED","datePublished":"2024-12-19T13:56:38.177Z","dateUpdated":"2024-12-19T15:17:08.639Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2021-01-25T14:47:15.095Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system by sending a crafted POST request. In particular, deleting specific configuration files will reset the Admin password to its default value."}],"affected":[{"vendor":"Fortinet","product":"FortiWAN","defaultStatus":"unaffected","versions":[{"version":"4.5.0","status":"affected","lessThanOrEqual":"4.5.7","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThanOrEqual":"4.4.1","versionType":"semver"}],"cpes":[]}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-21-048","name":"https://fortiguard.fortinet.com/psirt/FG-IR-21-048"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-305","lang":"en","description":"Improper access control","type":"CWE"}]}],"providerMetadata":{"shortName":"fortinet","orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateUpdated":"2024-12-19T13:56:38.177Z"},"solutions":[{"lang":"en","value":"Please upgrade to FortiWAN version 4.5.8 or above \nPlease upgrade to AscenLink version 7.2.24 or above"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-12-19T15:14:52.995354Z","id":"CVE-2021-26102","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-12-19T15:17:08.639Z"}}]}}}