Vulnerability-Lookup

GHSA-2JGC-C4H3-XW55

Vulnerability from github – Published: 2026-03-05 18:31 – Updated: 2026-03-05 21:30

Details

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.

This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.

Severity ?

9.3 (Critical)


                  
                    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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-30790"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-05T16:16:19Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-2jgc-c4h3-xw55",
  "modified": "2026-03-05T21:30:45Z",
  "published": "2026-03-05T18:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30790"
    },
    {
      "type": "WEB",
      "url": "https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rustdesk"
    },
    {
      "type": "WEB",
      "url": "https://www.vulsec.org"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-30790 (GCVE-0-2026-30790)

Vulnerability from cvelistv5 – Published: 2026-03-05 15:49 – Updated: 2026-03-10 18:26

Title

RustDesk Server Controls All Handshake Entropy (Salt/Challenge), Enabling Offline Brute-Force

Summary

Severity ?

9.3 (Critical)


                        
                          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

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts
CWE-916 - Use of Password Hash With Insufficient Computational Effort

Assigner

VULSec

References

URL

Tags

	https://github.com/rustdesk	product
	https://docs.google.com/document/d/e/2PACX-1vSds6…	third-party-advisoryexploit
	https://www.vulsec.org/	vdb-entrythird-party-advisory

Impacted products

Vendor

Product

Version

rustdesk-server-pro

RustDesk Server Pro

Affected: 0 , ≤ 1.7.5 (custom)

rustdesk-server

RustDesk Server (OSS)

Affected: 0 , ≤ 1.1.15 (custom)

Date Public ?

2026-03-05 13:45

Credits

Erez Kalman Erez Kalman

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2JGC-C4H3-XW55

CVE-2026-30790 (GCVE-0-2026-30790)

Tags

Sightings

Nomenclature