Is CVE-2023-30470 actively exploited?

No active exploitation of CVE-2023-30470 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-30470 be exploited remotely?

Yes. CVE-2023-30470 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-30470?

CVE-2023-30470 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-30470

CRITICAL

CVE-2023-30470

CWE-416Published: May 18, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A use-after-free related to unsound inference in the bytecode generation when optimizations are enabled for Hermes prior to commit da8990f737ebb9d9810633502f65ed462b819c09 could have been used by an attacker to achieve remote code execution. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

NVD Source

Technical Analysis

CVE-2023-30470 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.