CVE-2020-1915

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption 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 lectura fuera de límites en el intérprete de JavaScript en Facebook Hermes anterior al commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0, permite a atacantes causar un ataque de denegación de servicio o una posible corrupción adicional de la memoria por medio de un JavaScript diseñado. Tome en cuenta que esto solo puede ser aprovechado si la aplicación que usa Hermes permite la evaluación de un JavaScript que no es confiable. Por consiguiente, la mayoría de las aplicaciones React Native no están afectadas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-02 CVE Reserved
2020-10-26 CVE Published
2023-07-12 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/facebook/hermes/commit/8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0	2020-11-02

URL	Date	SRC
https://www.facebook.com/security/advisories/cve-2020-1915	2020-11-02

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"				< 2020-09-25 Search vendor "Facebook" for product "Hermes" and version " < 2020-09-25"		-		Affected