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CVE-2021-24045

CRITICAL

9.8

Description

A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/13/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:hermes

Weaknesses (CWE)

CWE-843CWE-843

References

https://github.com/facebook/hermes/commit/55e1b2343f4deb1a1b5726cfe1e23b2068217ff2(cve-assign@fb.com)

https://www.facebook.com/security/advisories/cve-2021-24045(cve-assign@fb.com)

https://github.com/facebook/hermes/commit/55e1b2343f4deb1a1b5726cfe1e23b2068217ff2(af854a3a-2127-422b-91ae-364da2661108)

https://www.facebook.com/security/advisories/cve-2021-24045(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.