9.8
CRITICAL CVSS 3.1
CVE-2020-7766
Json-Ptr Prototype Pollution Vulnerability
Description

This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object, however it does not properly check the key being set, leading to a prototype pollution.

INFO

Published Date :

Nov. 10, 2020, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 5:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2020-7766 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Json-ptr_project json-ptr
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2020-7766 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7766.

URL Resource
https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 Broken Link
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 Exploit Third Party Advisory
https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 Broken Link
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7766 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-7766 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
dellalibera/dellalibera

My personal repository

Updated: 2 weeks, 2 days ago
0 stars 0 fork 0 watcher
Born at : Oct. 6, 2023, 4:45 p.m. This repo has been linked 86 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7766 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-7766 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174
    Added Reference https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396
    Added Reference https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Dec. 02, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Removed CWE NIST CWE-915
    Added CWE NIST CWE-1321
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-74 CWE-915
  • Reanalysis by [email protected]

    May. 19, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:json-ptr_project:json-ptr:*:*:*:*:*:*:*:* OR *cpe:2.3:a:json-ptr_project:json-ptr:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.0
  • Initial Analysis by [email protected]

    Nov. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Changed Reference Type https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 No Types Assigned https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 Broken Link
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 No Types Assigned https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 Exploit, Third Party Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration OR *cpe:2.3:a:json-ptr_project:json-ptr:*:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.06 }} -0.45%

score

0.75684

percentile