CVE-2022-21213 : This affects all versions of package mout. The deepFillIn function can be used t

This affects all versions of package mout. The deepFillIn function can be used to 'fill missing properties recursively', while the deepMixIn mixes objects into the target object, recursively mixing existing child objects as well. In both cases, the key used to access the target object recursively is not checked, leading to exploiting this vulnerability. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-7792](https://security.snyk.io/vuln/SNYK-JS-MOUT-1014544).

Published 2022-06-17 20:15:10

Updated 2022-06-28 14:43:49

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2022-21213

Moutjs » Mout » For Node.js
cpe:2.3:a:moutjs:mout:*:*:*:*:*:node.js:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-21213

EPSS FAQ

0.77%

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

~ 82 %

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

CVSS scores for CVE-2022-21213

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-21213

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-2022-21213

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2870622

Prototype Pollution in org.webjars.npm:mout | CVE-2022-21213 | Snyk
Exploit;Third Party Advisory
https://snyk.io/vuln/SNYK-JS-MOUT-2342654

Prototype Pollution in mout | CVE-2022-21213 | Snyk
Exploit;Third Party Advisory
https://github.com/mout/mout/blob/master/src/object/deepMixIn.js

mout/deepMixIn.js at master · mout/mout · GitHub
Exploit;Third Party Advisory

CVEs referencing this url
https://github.com/mout/mout/blob/master/src/object/deepFillIn.js

mout/deepFillIn.js at master · mout/mout · GitHub
Exploit;Third Party Advisory

CVEs referencing this url
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2870623

Prototype Pollution in org.webjars:mout | CVE-2022-21213 | Snyk
Exploit;Third Party Advisory

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Vulnerability Details : CVE-2022-21213

Products affected by CVE-2022-21213

Exploit prediction scoring system (EPSS) score for CVE-2022-21213

CVSS scores for CVE-2022-21213

CWE ids for CVE-2022-21213

References for CVE-2022-21213