{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30789","assignerOrgId":"2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe","state":"PUBLISHED","assignerShortName":"VULSec","dateReserved":"2026-03-05T14:13:37.202Z","datePublished":"2026-03-05T15:41:51.417Z","dateUpdated":"2026-03-17T14:32:45.784Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://github.com/rustdesk/rustdesk/releases","defaultStatus":"affected","modules":["Client login","peer authentication"],"packageName":"rustdesk-client","platforms":["Windows","MacOS","Linux","iOS","Android"],"product":"RustDesk Client","programFiles":["src/client.rs"],"programRoutines":[{"name":"hash_password()"},{"name":"login proof construction"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","vendor":"rustdesk-client","versions":[{"lessThanOrEqual":"1.4.5","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"}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*","versionEndIncluding":"1.4.5","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:macos:*:*:*:*:*","versionEndIncluding":"1.4.5","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:linux:*:*:*:*:*","versionEndIncluding":"1.4.5","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:ios:*:*:*:*:*","versionEndIncluding":"1.4.5","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*","versionEndIncluding":"1.4.5","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"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":"Authentication Bypass by Capture-replay, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Client login, peer authentication modules) allows Reusing Session IDs (aka Session Replay).<p> This vulnerability is associated with program files <tt>src/client.Rs</tt> and program routines <tt>hash_password()</tt>, <tt>login proof construction</tt>.</p><p>This issue affects RustDesk Client: through 1.4.5.</p>"}],"value":"Authentication Bypass by Capture-replay, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Client login, peer authentication modules) allows Reusing Session IDs (aka Session Replay). This vulnerability is associated with program files src/client.Rs and program routines hash_password(), login proof construction.\n\nThis issue affects RustDesk Client: through 1.4.5."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"PoC available.<br>"}],"value":"PoC available."}],"impacts":[{"capecId":"CAPEC-60","descriptions":[{"lang":"en","value":"CAPEC-60 Reusing Session IDs (aka Session Replay)"}]}],"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-294","description":"CWE-294 Authentication Bypass by Capture-replay","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":"2026-03-05T16:57:27.727Z"},"references":[{"tags":["technical-description","x_--config documentation"],"url":"https://rustdesk.com/docs/en/client/"},{"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":"Add client-side nonce to auth proof. Implement SRP."}],"value":"Add client-side nonce to auth proof. Implement SRP."}],"source":{"discovery":"UNKNOWN"},"title":"RustDesk Client Generates Auth Proof Without Client-Side Nonce, Enabling Replay Attacks","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Use long (16+ char) random passwords. Enable 2FA where available."}],"value":"Use long (16+ char) random passwords. Enable 2FA where available."}],"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T14:32:41.844771Z","id":"CVE-2026-30789","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":"2026-03-17T14:32:45.784Z"}}]}}