What is CVE-2022-42743?

CVE-2022-42743 is a medium-severity vulnerability in Deep-Parse-Json Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.3/10. Published 2022-11-03.

How severe is CVE-2022-42743?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Prototype Pollution in Deep-Parse-Json Project

CVE-2022-42743

deep-parse-json version 1.0.2 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.

Vulnerability class: Prototype Pollution

EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Deep-parse-json_project Deep-parse-json — versions 1.0.2
N/a Deep-parse-json — versions 1.0.2

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

help@fluidattacks.com (Exploit, Third Party Advisory)
help@fluidattacks.com (Product)

Frequently asked questions

What is CVE-2022-42743?: CVE-2022-42743 is a medium-severity vulnerability in Deep-Parse-Json Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.3/10. Published 2022-11-03.
How severe is CVE-2022-42743?: Medium severity. CVSS v3 base score is 5.3 out of 10.