FKIE_CVE-2026-30796

Vulnerability from fkie_nvd - Published: 2026-03-05 16:16 - Updated: 2026-03-25 17:50
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Address book sync API modules) allows Sniffing Attacks. This vulnerability is associated with program files Closed source — API endpoint handling heartbeat sync and program routines Heartbeat API handler (accepts preset-address-book-password in plaintext). This issue affects RustDesk Server Pro: through 1.7.5.
References
2fdefc65-d750-4b8d-96ee-6e2c0c42dbfehttps://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubExploit, Third Party Advisory
2fdefc65-d750-4b8d-96ee-6e2c0c42dbfehttps://rustdesk.com/docs/en/Product, Vendor Advisory
2fdefc65-d750-4b8d-96ee-6e2c0c42dbfehttps://www.vulsec.org/Not Applicable
Impacted products
Vendor Product Version
rustdesk rustdesk_server *
apple macos -
linux linux_kernel -
microsoft windows -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rustdesk:rustdesk_server:*:*:*:*:pro:*:*:*",
              "matchCriteriaId": "4F6E21F9-385D-4DB4-9CD4-EDB43561D9E5",
              "versionEndIncluding": "1.7.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Address book sync API modules) allows Sniffing Attacks. This vulnerability is associated with program files Closed source \u2014 API endpoint handling heartbeat sync and program routines Heartbeat API handler (accepts preset-address-book-password in plaintext).\n\nThis issue affects RustDesk Server Pro: through 1.7.5."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de transmisi\u00f3n en texto claro de informaci\u00f3n sensible en rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro en Windows, MacOS, Linux (M\u00f3dulos de API de sincronizaci\u00f3n de libreta de direcciones) permite ataques de sniffing. Esta vulnerabilidad est\u00e1 asociada con archivos de programa de c\u00f3digo cerrado \u2014 punto final de API que gestiona la sincronizaci\u00f3n de latidos y rutinas de programa gestor de API de latidos (acepta preset-address-book-password en texto claro).\n\nEste problema afecta a RustDesk Server Pro: hasta la 1.7.5."
    }
  ],
  "id": "CVE-2026-30796",
  "lastModified": "2026-03-25T17:50:45.090",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "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": "2026-03-05T16:16:21.007",
  "references": [
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub"
    },
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://rustdesk.com/docs/en/"
    },
    {
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://www.vulsec.org/"
    }
  ],
  "sourceIdentifier": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-319"
        }
      ],
      "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.