{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78617","assignerOrgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","state":"PUBLISHED","assignerShortName":"WatchGuard","dateReserved":"2026-08-24T21:19:03.651Z","datePublished":"2026-08-27T23:26:31.148Z","dateUpdated":"2026-08-28T15:56:20.069Z"},"containers":{"cna":{"providerMetadata":{"orgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","shortName":"WatchGuard","dateUpdated":"2026-08-27T23:26:31.148Z"},"title":"WatchGuard Dimension Web UI Authentication Brute-Force Due to Missing Rate Limiting","descriptions":[{"lang":"en","value":"WatchGuard Dimension's web login endpoint does not enforce effective rate-limiting or account lockout by default allowing a remote attacker to perform automated password guessing against user accounts. If the account lockout setting is enabled, brute-force attempts are blocked after a defined number of failed attempts, but this setting is not enabled by default."}],"affected":[{"vendor":"WatchGuard","product":"Dimension","versions":[{"status":"affected","version":"2.0","versionType":"semver","lessThan":"2.3.1"}],"defaultStatus":"unaffected"}],"references":[{"url":"https://psirt.watchguard.com/CVE-2026-78617","tags":["vendor-advisory"]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:dimension:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0","versionEndExcluding":"2.3.1"}]}]}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","baseScore":6.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-203","type":"CWE","cweId":"CWE-203"},{"lang":"en","description":"CWE-307","type":"CWE","cweId":"CWE-307"}]}],"credits":[{"lang":"en","value":"Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)","type":"finder"}],"configurations":[{"lang":"en","value":"The default Dimension configuration does not enforce account lockouts for incorrect password retries.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>The default Dimension configuration does not enforce account lockouts for incorrect password retries.</p>"}]}],"solutions":[{"lang":"en","value":"Dimension 2.3.1","supportingMedia":[{"type":"text/html","base64":false,"value":"Dimension 2.3.1"}]}],"exploits":[{"lang":"en","value":"WatchGuard is not aware of any exploitation of this vulnerability in the wild.","supportingMedia":[{"type":"text/html","base64":false,"value":"WatchGuard is not aware of any exploitation of this vulnerability in the wild."}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-28T14:32:59.314718Z","id":"CVE-2026-78617","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-28T15:56:20.069Z"}}]}}