CVE-2022-4742
CWE-1321Published: December 26, 2022· Updated: Jun 17, 2026
Official Description
A vulnerability, which was classified as critical, has been found in json-pointer up to 0.6.1. Affected by this issue is the function set of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. Upgrading to version 0.6.2 is able to address this issue. The patch is identified as 859c9984b6c407fc2d5a0a7e47c7274daa681941. It is recommended to upgrade the affected component. VDB-216794 is the identifier assigned to this vulnerability.
Risk Analysis
The json-pointer library is susceptible to prototype pollution, which can lead to unauthorized modification of object attributes. This critical flaw is remotely exploitable and carries a high risk of system impact.
There is no public exploit known for this issue, and it is not in the KEV catalog. It is remotely exploitable.
Upgrade the json-pointer component to version 0.6.2 or later.
Technical Analysis
CVE-2022-4742 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.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
Related CVEs (CWE-1321)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4742 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts