⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2020-16017 — Use After Free in Google Chrome

CWE-416 — Use After FreeCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-787 — Out-of-bounds Write13 documents10 sources
Severity
9.6CRITICALNVD
GHSA8.8OSV8.8
EPSS
21.4%
top 4.28%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
4
Google ChromeChromiumDebian Chromium+1 more
Timeline
PublishedJan 8
KEV addedNov 3
KEV dueMay 3
Latest updateSep 21
CISA Required Action: Apply updates per vendor instructions.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages5 packages

▶CVEListV5google/chromeunspecified — 86.0.4240.198
▶NVDgoogle/chrome< 86.0.4240.198
▶debiandebian/chromium< chromium 87.0.4280.88-0.1 (bookworm)
▶Debianchromium/chromium< 87.0.4280.88-0.1+3

🔴Vulnerability Details

6
OSV
CVE-2020-16017: Use after free in site isolation in Google Chrome prior to 86↗2021-01-08
▶
OSV
Use after free in CefSharp↗2020-11-27
▶
GHSA
Inappropriate implementation in V8 in CefSharp↗2020-11-27
▶
GHSA
Use after free in CefSharp↗2020-11-27
▶
OSV
Inappropriate implementation in V8 in CefSharp↗2020-11-27
▶

📋Vendor Advisories

5
CISA ICS
Rockwell Automation Connected Components Workbench↗2023-09-21
▶
CISA
Google Chrome Use-After-Free Vulnerability↗2021-11-03
▶
Red Hat
chromium-browser: Use after free in site isolation↗2020-11-11
▶
Chrome
Stable Channel Update for Desktop: CVE-2020-16013↗2020-11-11
▶
Debian
CVE-2020-16017: chromium - Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed...↗2020
▶

🕵️Threat Intelligence

1
Qualys
Managing CISA Known Exploited Vulnerabilities with Qualys VMDR | Qualys↗2022-02-23
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