CVE-2022-4742

Name: CVE-2022-4742
Creator: NVD / NIST
Published: 2022-12-26T08:15:09.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.00%

Last modified Jun 17, 2026

CVE-2022-4742 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.00%

58.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Json-Pointer Project	Json-Pointer	< 2022-2-17

References

https://github.com/manuelstofer/json-pointer/commit/859c9984b6c407fc2d5a0a7e47c7274daa681941Patch, Third Party Advisory
https://github.com/manuelstofer/json-pointer/pull/36Patch, Third Party Advisory
https://vuldb.com/?ctiid.216794Third Party Advisory
https://vuldb.com/?id.216794Third Party Advisory
https://github.com/manuelstofer/json-pointer/commit/859c9984b6c407fc2d5a0a7e47c7274daa681941Patch, Third Party Advisory
https://github.com/manuelstofer/json-pointer/pull/36Patch, Third Party Advisory
https://vuldb.com/?ctiid.216794Third Party Advisory
https://vuldb.com/?id.216794Third Party Advisory

Timeline

Published: Dec 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4742?

How severe is CVE-2022-4742?

CVE-2022-4742 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4742?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4742?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST