{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-6594", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2024-07-09T02:09:05.229Z", "datePublished": "2024-09-25T11:22:45.610Z", "dateUpdated": "2026-08-07T23:42:26.069Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-08-07T23:42:26.069Z" }, "title": "WatchGuard Firebox Single Sign-On Client Denial-of-Service", "descriptions": [ { "lang": "en", "value": "Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands." } ], "affected": [ { "vendor": "WatchGuard", "product": "SSO Client", "versions": [ { "status": "affected", "version": "12.0", "versionType": "semver", "lessThanOrEqual": "12.7" } ], "defaultStatus": "unaffected", "platforms": [ "Windows" ] } ], "references": [ { "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2024-008", "tags": [ "technical-description" ] }, { "url": "https://psirt.watchguard.com/CVE-2024-6594", "tags": [ "vendor-advisory" ] }, { "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016", "tags": [ "vendor-advisory" ] } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:sso_client:*:*:*:*:*:*:*:*", "versionStartIncluding": "12.0", "versionEndIncluding": "12.7" } ] } ] } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.7, "baseSeverity": "HIGH" } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-755", "type": "CWE", "cweId": "CWE-755" } ] } ], "workarounds": [ { "lang": "en", "value": "An attacker must have already established network access to exploit this vulnerability. WatchGuard recommends using Windows Firewall rules to restrict TCP port 4116 network access to the Single Sign-On Client to only allow connections from the Authentication Gateway (SSO Agent). Windows administrators can use Group Policy objects to add Windows firewall rules to their endpoints." } ], "exploits": [ { "lang": "en", "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild." } ], "datePublic": "2024-09-25T11:22:45.610Z" }, "adp": [ { "affected": [ { "vendor": "watchguard", "product": "single_sign-on_client", "cpes": [ "cpe:2.3:a:watchguard:single_sign-on_client:*:*:*:*:*:windows:*:*" ], "defaultStatus": "unaffected", "versions": [ { "version": "0", "status": "affected", "lessThanOrEqual": "12.7", "versionType": "semver" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-09-25T13:44:40.431549Z", "id": "CVE-2024-6594", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2024-09-25T14:30:29.866Z" } } ] } }