Vulnerability-Lookup

CVE-2026-30795 (GCVE-0-2026-30795)

Vulnerability from cvelistv5 – Published: 2026-03-05 15:27 – Updated: 2026-03-05 16:49

Title

RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

Summary

Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password). This issue affects RustDesk Client: through 1.4.5.

Severity ?

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

VULSec

References

URL

Tags

	https://github.com/rustdesk/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-client	RustDesk Client	Affected: 0 , ≤ 1.4.5 (custom)

Date Public ?

2026-03-05 13:45

Credits

Erez Kalman Erez Kalman

Show details on NVD website

JSON

To clipboard

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GHSA-C9V6-FHFF-767P

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

Details

This issue affects RustDesk Client: through 1.4.5.

Severity ?

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

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    "github_reviewed_at": null,
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    "severity": "HIGH"
  },
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  "id": "GHSA-c9v6-fhff-767p",
  "modified": "2026-03-05T21:30:45Z",
  "published": "2026-03-05T18:31:37Z",
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      "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:N/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"
    }
  ]
}

FKIE_CVE-2026-30795

Vulnerability from fkie_nvd - Published: 2026-03-05 16:16 - Updated: 2026-03-05 19:38

Severity ?

8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe	https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub
	2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe	https://github.com/rustdesk/rustdesk
	2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe	https://www.vulsec.org/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password).\n\nThis issue affects RustDesk Client: through 1.4.5."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de transmisi\u00f3n en texto claro de informaci\u00f3n sensible en el cliente RustDesk (rustdesk-client) en Windows, MacOS, Linux, iOS, Android (m\u00f3dulos de bucle de sincronizaci\u00f3n de latidos) permite ataques de sniffing. Esta vulnerabilidad est\u00e1 asociada con los archivos de programa src/hbbs_http/sync.Rs y las rutinas de programa de construcci\u00f3n de carga \u00fatil JSON de latidos (preset-address-book-password).\n\nEste problema afecta al cliente RustDesk: hasta la versi\u00f3n 1.4.5."
    }
  ],
  "id": "CVE-2026-30795",
  "lastModified": "2026-03-05T19:38:33.877",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "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:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-05T16:16:20.410",
  "references": [
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "url": "https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub"
    },
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "url": "https://github.com/rustdesk/rustdesk"
    },
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "url": "https://www.vulsec.org/"
    }
  ],
  "sourceIdentifier": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-319"
        }
      ],
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "type": "Secondary"
    }
  ]
}

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

CVE-2026-30795 (GCVE-0-2026-30795)

GHSA-C9V6-FHFF-767P

FKIE_CVE-2026-30795

Tags

Sightings

Nomenclature