FKIE_CVE-2026-78417

Vulnerability from fkie_nvd - Published: 2026-08-24 19:17 - Updated: 2026-08-24 19:17
Severity
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."
    }
  ],
  "id": "CVE-2026-78417",
  "lastModified": "2026-08-24T19:17:04.420",
  "metrics": {},
  "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": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "security@devolutions.net",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.