CVE-2021-21123
 
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Una comprobación insuficiente de datos en File System API en Google Chrome versiones anteriores a 88.0.4324.96, permitió a un atacante remoto omitir las restricciones del sistema de archivos por medio de una página HTML diseñada
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-21 CVE Reserved
- 2021-01-25 CVE Published
- 2021-03-22 First Exploit
- 2024-06-14 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123 | Third Party Advisory |
URL | Date | SRC |
---|---|---|
https://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome | 2021-03-22 |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html | 2021-03-08 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Google Search vendor "Google" | Chrome Search vendor "Google" for product "Chrome" | < 88.0.4324.96 Search vendor "Google" for product "Chrome" and version " < 88.0.4324.96" | - |
Affected
| ||||||
Microsoft Search vendor "Microsoft" | Edge Chromium Search vendor "Microsoft" for product "Edge Chromium" | < 88.0.705.50 Search vendor "Microsoft" for product "Edge Chromium" and version " < 88.0.705.50" | - |
Affected
|