CVE-2020-16017
CRITICAL9.6⚠ KEVEPSS 21.4%Use after free in CefSharp
Published: 11/27/2020Modified: 4/28/2026Added to CISA KEV: 11/3/2021
Description
Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Affected packages (5)
- Debian/chromiumfrom 0, < 87.0.4280.88-0.1
- NuGet/CefSharp.Commonfrom 0, < 86.0.241
- NuGet/CefSharp.WinFormsfrom 0, < 86.0.241
- NuGet/CefSharp.Wpffrom 0, < 86.0.241
- NuGet/CefSharp.Wpf.HwndHostfrom 0, < 86.0.241
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-16017
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-16017
- WEBhttps://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html
- WEBhttps://crbug.com/1146709
- WEBhttps://github.com/cefsharp/CefSharp/security/advisories/GHSA-gvqv-779r-4jgp