CVE-2021-21220

KEV
Published: Apr 26, 2021 Last Modified: Ott 24, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9260
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

787

Out-of-bounds Write

Draft
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
Application

Chrome by Google

Version Range Affected
To 89.0.4389.128 (exclusive)
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Boun…
http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Ex…
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop…
https://crbug.com/1196683
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.gentoo.org/glsa/202104-08
http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Boun…
http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Ex…
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop…
https://crbug.com/1196683
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.gentoo.org/glsa/202104-08