by Kastro
Paper/Archive/CVE-2021-24045

CVE-2021-24045

Facebook Hermes — A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0.

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 69.4.694 × 2013.9No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Hermesunspecified – < 0.10.00.10.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

reffacebook.com/security/advisories/cve-2021-24045refgithub.com/facebook/hermes/commit/55e1b2343f4deb1a1b5726cfe1e23b2068217ff2