CVE-2021-21122

CVSS V2 Medium 6.8 CVSS V3 High 8.8
Description
Use after free in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Overview
  • CVE ID
  • CVE-2021-21122
  • Assigner
  • chrome-cve-admin@google.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-02-09T14:15:15
  • Last Modified Date
  • 2021-03-08T18:40:57
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* 1 OR 88.0.4324.96
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* 1 OR 88.0.705.50
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:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://crbug.com/1162131 Permissions Required Third Party Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Release Notes Vendor Advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21122
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21122
History
Created Old Value New Value Data Type Notes
2022-05-10 07:20:43 Added to TrackCVE
2022-12-05 21:38:48 2021-02-09T14:15Z 2021-02-09T14:15:15 CVE Published Date updated
2022-12-05 21:38:48 2021-03-08T18:40:57 CVE Modified Date updated
2022-12-05 21:38:48 Analyzed Vulnerability Status updated