{"id":"CVE-2026-78417","state":"PUBLISHED","title":"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 attac","description":"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.","publishedAt":"2026-08-24T18:26:25.739Z","updatedAt":"2026-08-28T17:33:51.985Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"DEVOLUTIONS","products":["Devolutions Remote Desktop Manager"],"affected":[{"vendor":"Devolutions","product":"Remote Desktop Manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.2.18","versionType":"custom"}]},{"vendor":"Devolutions","product":"Remote Desktop Manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.1.25","versionType":"custom"}]}],"references":["https://devolutions.net/security/advisories/DEVO-2026-0029/"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78417.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78417","state":"PUBLISHED","datePublished":"2026-08-24T18:26:25.739Z","dateUpdated":"2026-08-28T17:33:51.985Z","assignerShortName":"DEVOLUTIONS","assignerOrgId":"bfee16bd-18e6-446c-9a65-f5b2e3d89c23","dateReserved":"2026-08-24T15:10:53.447Z"},"containers":{"cna":{"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's RSA key during RSA-AES authentication."}],"affected":[{"vendor":"Devolutions","product":"Remote Desktop Manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.2.18","versionType":"custom"}]},{"vendor":"Devolutions","product":"Remote Desktop Manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.1.25","versionType":"custom"}]}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0029/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity","type":"CWE"}]}],"providerMetadata":{"shortName":"DEVOLUTIONS","orgId":"bfee16bd-18e6-446c-9a65-f5b2e3d89c23","dateUpdated":"2026-08-24T18:26:25.739Z"},"source":{"advisory":"https://devolutions.net/security/advisories/DEVO-2026-0029/","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-28T17:33:48.629426Z","id":"CVE-2026-78417","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-28T17:33:51.985Z"}}]}}}