Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-21220 First vendor Publication 2021-04-26
Vendor Cve Last vendor Modification 2023-12-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21220

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4724
Os 3
Os 4

Metasploit Database

id Description
2021-04-13 Google Chrome versions before 89.0.4389.128 V8 XOR Typer Out-Of-Bounds Access RCE

Sources (Detail)

http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
GENTOO https://security.gentoo.org/glsa/202104-08
MISC http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bo...
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-deskt...
https://crbug.com/1196683

Alert History

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Date Informations
2023-12-14 21:28:14
  • Multiple Updates
2023-11-07 21:35:04
  • Multiple Updates
2022-07-07 12:52:16
  • Multiple Updates
2021-06-01 21:23:17
  • Multiple Updates
2021-05-15 05:23:00
  • Multiple Updates
2021-05-12 13:22:53
  • Multiple Updates
2021-05-04 14:09:13
  • Multiple Updates
2021-05-04 13:24:48
  • Multiple Updates
2021-05-04 05:22:51
  • Multiple Updates
2021-05-01 09:22:54
  • Multiple Updates
2021-05-01 00:22:44
  • Multiple Updates
2021-04-27 00:22:48
  • Multiple Updates
2021-04-26 21:23:11
  • First insertion