Is CVE-2022-23459 actively exploited?

No active exploitation of CVE-2022-23459 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-23459 be exploited remotely?

Yes. CVE-2022-23459 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-23459?

CVE-2022-23459 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-23459

CWE-415Published: August 19, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Jsonxx or Json++ is a JSON parser, writer and reader written in C++. In affected versions of jsonxx use of the Value class may lead to memory corruption via a double free or via a use after free. The value class has a default assignment operator which may be used with pointer types which may point to alterable data where the pointer itself is not updated. This issue exists on the current commit of the jsonxx project. The project itself has been archived and updates are not expected. Users are advised to find a replacement.

NVD Source

Technical Analysis

CVE-2022-23459 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.