CVE-2021-23413 - Vulnerability Details - OpenCVE

This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results in a returned object with a modified prototype instance.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00235.

Key SSVC decision points have not yet been added.

Vendors	Products
Jszip Project	Jszip

Configuration 1 [-]

cpe:2.3:a:jszip_project:jszip:*:*:*:*:*:node.js:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-1773	This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results in a returned object with a modified prototype instance.
Github GHSA	GHSA-jg8v-48h5-wgxg	jszip Vulnerable to Prototype Pollution

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/Stuk/jszip/blob/master/lib/object.js%23L88
https://github.com/Stuk/jszip/commit/22357494f424178cb416cdb7d93b26dd4f824b36
https://github.com/Stuk/jszip/pull/766
https://nvd.nist.gov/vuln/detail/CVE-2021-23413
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1251499
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1251498
https://snyk.io/vuln/SNYK-JS-JSZIP-1251497
https://www.cve.org/CVERecord?id=CVE-2021-23413

History

Tue, 15 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00217}`	epss `{'score': 0.00236}`

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2021-07-25T13:10:12.559070Z

Updated: 2024-09-16T19:56:45.208Z

Reserved: 2021-01-08T00:00:00

Link: CVE-2021-23413

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-25T13:15:07.390

Modified: 2024-11-21T05:51:40.300

Link: CVE-2021-23413

Redhat

Severity : Moderate

Publid Date: 2021-04-18T00:00:00Z

Links: CVE-2021-23413 - Bugzilla

OpenCVE Enrichment

No data.

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