{"id":"CVE-2026-78417","aliases":["EUVD-2026-65063","GHSA-v5j9-gh53-cfjx"],"status":"published","title":"Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote...","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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-08","score":0.00154,"percentile":0.0451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2026-08-24T18:26:25Z","modified":"2026-10-12T15:10:00Z","products":[{"vendor":"devolutions","product":"remote desktop manager"}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0029/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78417"},{"url":"https://devolutions.net/security/advisories/DEVO-2026-0029"},{"url":"https://github.com/advisories/GHSA-v5j9-gh53-cfjx"}],"sources":{"cve":[{"id":"CVE-2026-78417","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.","status":"published","published":"2026-08-24T18:26:25.739Z","modified":"2026-08-28T17:33:51.985Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-65063","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.","status":"published","published":"2026-08-24T18:26:25Z","modified":"2026-08-28T17:33:51Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:22.759915Z"}],"ghsa":[{"id":"GHSA-v5j9-gh53-cfjx","title":"Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote...","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.","status":"published","published":"2026-08-24T21:33:43Z","modified":"2026-08-28T21:30:51Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:11:07.541511Z"}],"nvd":[{"id":"CVE-2026-78417","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.","status":"published","published":"2026-08-24T19:17:04.42Z","modified":"2026-10-12T15:10:00.207Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:12:41.018848Z"}]}}