PatchTheCVEvnc viewer vulnerabilities and fixes
Recent CVEs affecting vnc viewer, with upgrade or downgrade steps. 2 tracked.
Also searched as: vncviewer.
vnc viewer has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2022-09-30. Highest priority: CVE-2021-41380 (score 43/100).
- CVE-2022-41975 HIGH 7.8 UPGRADE UPGRADE RealVNC VNC Server before 6.11.0 and VNC Viewer before 6.22.826 on Windows allow local privilege escalation vi
- CVE-2021-41380 MEDIUM 6.5 DOWNGRADE RealVNC Viewer 6.21.406 allows remote VNC servers to cause a denial of service (application crash) via crafted
FAQ
How do I fix vnc viewer vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is vnc viewer being exploited right now?
None of the tracked vnc viewer CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which vnc viewer CVE should I patch first?
CVE-2021-41380 currently ranks highest (43/100): RealVNC Viewer 6.21.406 allows remote VNC servers to cause a denial of service (application crash) via crafted.