CVE-2026-78417 (GCVE-0-2026-78417)

Vulnerability from cvelistv5 – Published: 2026-08-24 18:26 – Updated: 2026-08-28 17:33
VLAI
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.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 17:33 UTC
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
DEVOLUTIONS CNA under the mitre root
CNA scorecard E 44/100 over 60 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Devolutions Remote Desktop Manager Affected: 0 , < 2026.2.18 (custom)
guessed Create a notification for this product.
Devolutions Remote Desktop Manager Affected: 0 , < 2026.1.25 (custom)
guessed Create a notification for this product.
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