Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
3

CVE-2020-16017

Disclosure Date: January 08, 2021
Exploited in the Wild
Reported by zeroSteiner
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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.

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1
Technical Analysis

Reported as exploited in the wild as part of Google’s 2020 0day vulnerability spreadsheet they made available at https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit#gid=1869060786. Original tweet announcing this spreadsheet with the 2020 findings can be found at https://twitter.com/maddiestone/status/1329837665378725888

CVSS V3 Severity and Metrics
Base Score:
9.6 Critical
Impact Score:
6
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • Google

Products

  • Chrome

Additional Info

Technical Analysis