CVE-2021-21122
Google Chrome Blink Use-after-Free Heap Corruption Vulnerability
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.
INFO
Published Date :
Feb. 9, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:47 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-21122 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-21122.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html | Release Notes Vendor Advisory |
| https://crbug.com/1162131 | Permissions Required Third Party Advisory |
| https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 | Third Party Advisory |
| https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html | Release Notes Vendor Advisory |
| https://crbug.com/1162131 | Permissions Required Third Party Advisory |
| https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 | 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).
None
C++ HTML Objective-C++
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-21122 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21122 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Added Reference https://crbug.com/1162131 Added Reference https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Mar. 08, 2021
Action Type Old Value New Value Changed Reference Type https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 No Types Assigned https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122 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-2021-21122 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 12, 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/1162131 No Types Assigned https://crbug.com/1162131 Permissions Required, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 88.0.4324.96
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21122 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-21122
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} -0.01%
score
0.61187
percentile