CVE-2021-21111

CVSS V2 Medium 6.8 CVSS V3 Critical 9.6
Description
Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
Overview
  • CVE ID
  • CVE-2021-21111
  • Assigner
  • chrome-cve-admin@google.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-08T19:15:15
  • Last Modified Date
  • 2021-01-28T22:22:36
Weakness Enumerations
CWE URL
CWE-1021 http://cwe.mitre.org/data/definitions/1021.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* 1 OR 87.0.4280.141
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.6
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 2.8
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://crbug.com/1149125 Permissions Required Vendor Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html Release Notes Vendor Advisory
https://security.gentoo.org/glsa/202101-05 Third Party Advisory
https://www.debian.org/security/2021/dsa-4832 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/ Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21111
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21111
History
Created Old Value New Value Data Type Notes
2022-05-10 07:25:38 Added to TrackCVE
2022-12-05 19:39:30 2021-01-08T19:15Z 2021-01-08T19:15:15 CVE Published Date updated
2022-12-05 19:39:30 2021-01-28T22:22:36 CVE Modified Date updated
2022-12-05 19:39:30 Analyzed Vulnerability Status updated