FKIE_CVE-2026-78417

Vulnerability from fkie_nvd - Published: 2026-08-24 19:17 - Updated: 2026-10-12 15:10
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication.
References
security@devolutions.nethttps://devolutions.net/security/advisories/DEVO-2026-0029/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Remote Desktop Manager",
          "vendor": "Devolutions",
          "versions": [
            {
              "lessThan": "2026.2.18",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Remote Desktop Manager",
          "vendor": "Devolutions",
          "versions": [
            {
              "lessThan": "2026.1.25",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@devolutions.net"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server\u0027s RSA key during RSA-AES authentication."
    },
    {
      "lang": "es",
      "value": "Verificaci\u00f3n insuficiente de la autenticidad de los datos en el cliente IronVNC en Devolutions Remote Desktop Manager 2026.2.17.0 y versiones anteriores, 2026.1.24.0 y versiones anteriores, permite a un atacante en la ruta interceptar y manipular sesiones VNC a trav\u00e9s de la aceptaci\u00f3n autom\u00e1tica de la clave RSA del servidor durante la autenticaci\u00f3n RSA-AES."
    }
  ],
  "id": "CVE-2026-78417",
  "lastModified": "2026-10-12T15:10:00.207",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-78417",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-28T17:33:48.629426Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-24T19:17:04.420",
  "references": [
    {
      "source": "security@devolutions.net",
      "url": "https://devolutions.net/security/advisories/DEVO-2026-0029/"
    }
  ],
  "sourceIdentifier": "security@devolutions.net",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "security@devolutions.net",
      "type": "Secondary"
    }
  ]
}



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