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9.8
CRITICAL CVSS 3.1
CVE-2021-4279
Starcounter-Jack JSON-Patch Prototype Pollution Vulnerability
Description

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.1 is able to address this issue. The name of the patch is 7ad6af41eabb2d799f698740a91284d762c955c9. It is recommended to upgrade the affected component. VDB-216778 is the identifier assigned to this vulnerability.

INFO

Published Date :

Dec. 25, 2022, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 6:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-4279 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 Starcounter-jack json-patch
: 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 3.1 MEDIUM [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2021-4279 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-2021-4279.

URL Resource
https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9 Patch Third Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/pull/262 Exploit Patch Third Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1 Release Notes Third Party Advisory
https://vuldb.com/?ctiid.216778 Third Party Advisory
https://vuldb.com/?id.216778 Third Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9 Patch Third Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/pull/262 Exploit Patch Third Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1 Release Notes Third Party Advisory
https://vuldb.com/?ctiid.216778 Third Party Advisory
https://vuldb.com/?id.216778 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-2021-4279 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-2021-4279 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
seal-community/patches

A centralized repository of standalone security patches for open source libraries.

appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability

Updated: 1 year, 1 month ago
182 stars 0 fork 0 watcher
Born at : July 30, 2023, 4:46 p.m. This repo has been linked 265 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-2021-4279 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-2021-4279 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/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9
    Added Reference https://github.com/Starcounter-Jack/JSON-Patch/pull/262
    Added Reference https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1
    Added Reference https://vuldb.com/?ctiid.216778
    Added Reference https://vuldb.com/?id.216778
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • Reanalysis by [email protected]

    Feb. 07, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:json-patch_project:json-patch:*:*:*:*:*:*:*:* versions up to (excluding) 3.1.1 OR *cpe:2.3:a:starcounter-jack:json-patch:*:*:*:*:*:*:*:* versions up to (excluding) 3.1.1
  • Initial Analysis by [email protected]

    Jan. 04, 2023

    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
    Changed Reference Type https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9 No Types Assigned https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9 Patch, Third Party Advisory
    Changed Reference Type https://github.com/Starcounter-Jack/JSON-Patch/pull/262 No Types Assigned https://github.com/Starcounter-Jack/JSON-Patch/pull/262 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1 No Types Assigned https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1 Release Notes, Third Party Advisory
    Changed Reference Type https://vuldb.com/?ctiid.216778 No Types Assigned https://vuldb.com/?ctiid.216778 Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.216778 No Types Assigned https://vuldb.com/?id.216778 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:json-patch_project:json-patch:*:*:*:*:*:*:*:* versions up to (excluding) 3.1.1
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
Exploit Prediction

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

0.10 }} -0.14%

score

0.25567

percentile