{"id":"CVE-2026-78617","state":"PUBLISHED","title":"WatchGuard Dimension Web UI Authentication Brute-Force Due to Missing Rate Limiting","description":"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.","publishedAt":"2026-08-27T23:26:31.148Z","updatedAt":"2026-08-28T15:56:20.069Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"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","source":"WatchGuard"},"assigner":"WatchGuard","products":["WatchGuard Dimension"],"affected":[{"vendor":"WatchGuard","product":"Dimension","defaultStatus":"unaffected","versions":[{"version":"2.0","status":"affected","lessThan":"2.3.1","versionType":"semver"}]}],"references":["https://psirt.watchguard.com/CVE-2026-78617"],"weaknesses":["CWE-203","CWE-307"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78617.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78617","state":"PUBLISHED","datePublished":"2026-08-27T23:26:31.148Z","dateUpdated":"2026-08-28T15:56:20.069Z","assignerShortName":"WatchGuard","assignerOrgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateReserved":"2026-08-24T21:19:03.651Z"},"containers":{"cna":{"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","defaultStatus":"unaffected","versions":[{"version":"2.0","status":"affected","lessThan":"2.3.1","versionType":"semver"}]}],"references":[{"url":"https://psirt.watchguard.com/CVE-2026-78617","tags":["vendor-advisory"]}],"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":[{"cweId":"CWE-203","lang":"en","description":"CWE-203","type":"CWE"},{"cweId":"CWE-307","lang":"en","description":"CWE-307","type":"CWE"}]}],"providerMetadata":{"shortName":"WatchGuard","orgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateUpdated":"2026-08-27T23:26:31.148Z"},"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"}]}]}],"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-28T15:56:20.069Z"}}]}}}