CVE-2021-28860 : In Node.js mixme, prior to v0.5.1, an attacker can add or alter properties of an

In Node.js mixme, prior to v0.5.1, an attacker can add or alter properties of an object via '__proto__' through the mutate() and merge() functions. The polluted attribute will be directly assigned to every object in the program. This will put the availability of the program at risk causing a potential denial of service (DoS).

Published 2021-05-03 12:15:07

Updated 2021-12-10 18:55:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-28860

Adaltas » Mixme » For Node.js
Versions before (<) 0.5.1
cpe:2.3:a:adaltas:mixme:*:*:*:*:*:node.js:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-28860

EPSS FAQ

1.16%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 77 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-28860

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:P	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: High

CWE ids for CVE-2021-28860

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

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-28860

https://github.com/adaltas/node-mixme/security/advisories/GHSA-79jw-6wg7-r9g4

Use of Potentially Dangerous Function in mixme · Advisory · adaltas/node-mixme · GitHub
Patch;Third Party Advisory
https://security.netapp.com/advisory/ntap-20210618-0005/

CVE-2021-28860 Node.js Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
http://nodejs.com

Third Party Advisory
https://github.com/adaltas/node-mixme/issues/1

Issue Tracking;Third Party Advisory
https://github.com/adaltas/node-mixme/commit/cfd5fbfc32368bcf7e06d1c5985ea60e34cd4028

fix: dont pollute object proto #1 · adaltas/node-mixme@cfd5fbf · GitHub
Patch;Third Party Advisory
https://www.npmjs.com/~david

npm
Third Party Advisory

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Vulnerability Details : CVE-2021-28860

Products affected by CVE-2021-28860

Exploit prediction scoring system (EPSS) score for CVE-2021-28860

CVSS scores for CVE-2021-28860

CWE ids for CVE-2021-28860

References for CVE-2021-28860