// For flags

CVE-2020-1911

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

Una vulnerabilidad de confusión de tipos al resolver propiedades de objetos JavaScript con cadenas de prototipos especialmente diseñadas en Facebook Hermes versiones anteriores al commit fe52854cdf6725c2eaa9e125995da76e6ceb27da, permite a atacantes ejecutar potencialmente código arbitrario por medio de un JavaScript diseñado. Tome en cuenta que esto solo se puede explotar si la aplicación que usa Hermes permite una evaluación de JavaScript que no es confiable. Por lo tanto, la mayoría de las aplicaciones React Native no están afectadas

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-02 CVE Reserved
  • 2020-09-04 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-10-14 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Facebook
Search vendor "Facebook"
Hermes
Search vendor "Facebook" for product "Hermes"
< 0.4.3
Search vendor "Facebook" for product "Hermes" and version " < 0.4.3"
-
Affected