CVE-2020-1896 - CVE House
Back to Database
Status published Critical CVE-2020-1896

A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior...

Vulnerability Description

A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-1896

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Hermes
Vulnerable Versions:
commit prior to 86543ac47e59c522976b5632b8bf9a2a4583c7d2

Timeline

Official Publish: February 2nd, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)