{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30790","assignerOrgId":"2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe","state":"PUBLISHED","assignerShortName":"VULSec","dateReserved":"2026-03-05T14:13:37.202Z","datePublished":"2026-03-05T15:49:15.539Z","dateUpdated":"2026-03-10T18:26:36.250Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://github.com/rustdesk/rustdesk-server-pro/releases","defaultStatus":"affected","modules":["Peer authentication","API login"],"packageName":"rustdesk-server-pro","platforms":["Windows","MacOS","Linux"],"product":"RustDesk Server Pro","programRoutines":[{"name":"Salt/challenge generation"},{"name":"SHA256(SHA256(pwd+salt)+challenge) verification"}],"vendor":"rustdesk-server-pro","versions":[{"changes":[{"at":"Server Pro","status":"affected"}],"lessThanOrEqual":"1.7.5","status":"affected","version":"0","versionType":"custom"}]},{"collectionURL":"https://github.com/rustdesk/rustdesk-server/releases","defaultStatus":"unaffected","modules":["Peer authentication","API login"],"packageName":"rustdesk-server","platforms":["Windows","MacOS","Linux"],"product":"RustDesk Server (OSS)","programFiles":["src/server/connection.rs"],"programRoutines":[{"name":"Salt/challenge generation"},{"name":"SHA256(SHA256(pwd+salt)+challenge) verification"}],"repo":"https://github.com/rustdesk/rustdesk-server","vendor":"rustdesk-server","versions":[{"changes":[{"at":"Server OSS","status":"affected"}],"lessThanOrEqual":"1.1.15","status":"affected","version":"0","versionType":"custom"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Default — any password-based authentication"}],"value":"Default — any password-based authentication"}],"credits":[{"lang":"en","type":"finder","value":"Erez Kalman"},{"lang":"en","type":"reporter","value":"Erez Kalman"}],"datePublic":"2026-03-05T13:45:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing.<p> This vulnerability is associated with program files <tt>src/server/connection.Rs</tt> and program routines <tt>Salt/challenge generation</tt>, <tt>SHA256(SHA256(pwd+salt)+challenge) verification</tt>.</p><p>This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.</p>"}],"value":"Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing. This vulnerability is associated with program files src/server/connection.Rs and program routines Salt/challenge generation, SHA256(SHA256(pwd+salt)+challenge) verification.\n\nThis issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"PoC available.<br>"}],"value":"PoC available."}],"impacts":[{"capecId":"CAPEC-49","descriptions":[{"lang":"en","value":"CAPEC-49 Password Brute Forcing"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-307","description":"CWE-307 Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-916","description":"CWE-916 Use of Password Hash With Insufficient Computational Effort","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe","shortName":"VULSec","dateUpdated":"2026-03-05T16:59:25.324Z"},"references":[{"tags":["product"],"url":"https://github.com/rustdesk"},{"tags":["third-party-advisory","exploit"],"url":"https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub"},{"tags":["vdb-entry","third-party-advisory"],"url":"https://www.vulsec.org/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Implement SRP (Secure Remote Password) for mutual authentication. Add server-side rate limiting."}],"value":"Implement SRP (Secure Remote Password) for mutual authentication. Add server-side rate limiting."}],"source":{"discovery":"UNKNOWN"},"title":"RustDesk Server Controls All Handshake Entropy (Salt/Challenge), Enabling Offline Brute-Force","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Use long (16+ char) random passwords. Enable 2FA where available. Deploy rate-limiting (e.g., fail2ban on OSS 1.1.15+)."}],"value":"Use long (16+ char) random passwords. Enable 2FA where available. Deploy rate-limiting (e.g., fail2ban on OSS 1.1.15+)."}],"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-10T18:26:28.818818Z","id":"CVE-2026-30790","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-10T18:26:36.250Z"}}]}}