Use-after-free in hermes-engine - CVE-2021-24037
Published: June 29, 2021
Vulnerability identifier: #VU54433
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-24037
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Facebook Inc.
Affected software:
hermes-engine
hermes-engine
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error. A remote authenticated attacker can execute arbitrary code via a specially crafted JavaScript.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2021-24037
Install updates from vendor's website.