CVE-2021-23413

mediumpriority · track · 22EPSS 0.034 · 89 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.44% (89th) EPSS

CVSS 5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · report@snyk.ioexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1321USCWE-94US

affected products (10)

Products and version ranges known to be affected.

SAP Softwareall versionscert_bundDEcpe:/a:sap:sap:-
n/a jszipunspecified → 3.7.0enisa_euvdEU
Red Hat Inc. Red Hat Migration Toolkit for Containersall versionsfstec_bduRU
Red Hat Inc. Red Hat Quay≤ 3fstec_bduRU
Stuart Knightley Jszip≤ 3.7.0fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
jszip project jszip< 3.7.0nvdUScpe:2.3:a:jszip_project:jszip:*:*:*:*:*:*:*:*
npm jszip< 2.7.0osvUSpkg:npm/jszip
npm jszip3.0.0 → 3.7.0osvUSpkg:npm/jszip

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1020Oracle Construction and Engineering: Mehrere SchwachstellenDeutsch2023-04-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Construction and Engineering ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2023-3103SAP Software: Mehrere SchwachstellenDeutsch2023-12-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in SAP Software ausnutzen um seine Privilegien zu erhöhen, Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren und einen Cross-Site-Scripting-Angriff durchzuführen.
GHSA-jg8v-48h5-wgxgjszip Vulnerable to Prototype Pollution2021-08-10ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2021-07-25modified 2026-06-17

references (22)

External citations — patches, advisories, analysis.

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