8.8
HIGH
CVE-2021-21118
Google Chrome V8 Out of Bounds Memory Access Vulnerability
Description

Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

INFO

Published Date :

Feb. 9, 2021, 2:15 p.m.

Last Modified :

March 15, 2021, 6:44 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-21118 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google chrome
1 Microsoft edge_chromium
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-21118.

URL Resource
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Release Notes Vendor Advisory
https://crbug.com/1161357 Permissions Required Third Party Advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118 Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21118 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21118 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 15, 2021

    Action Type Old Value New Value
    Changed Reference Type https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118 No Types Assigned https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118 Patch, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 88.0.4324.96 OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 88.0.4324.96 *cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* versions up to (excluding) 88.0.705.50
  • CVE Modified by [email protected]

    Feb. 24, 2021

    Action Type Old Value New Value
    Added Reference https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 11, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html No Types Assigned https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Release Notes, Vendor Advisory
    Changed Reference Type https://crbug.com/1161357 No Types Assigned https://crbug.com/1161357 Permissions Required, Third Party Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 88.0.4324.96
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.31 }} -0.07%

score

0.70177

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability