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CVE-2021-23373

Prototype Pollution

7.5 High

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.19%Up 0.3 points since Jul 26, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.5

Prototype Pollution

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Record
CVE-2021-23373
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
Updated
2026-11-02
EUVDEUVD-2022-6418 7.5

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Record
EUVD-2022-6418
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
Updated
2026-11-03
GitHub AdvisoriesGHSA-v42q-78w8-8fcc 9.8

set-deep-prop Prototype Pollution

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Record
GHSA-v42q-78w8-8fcc
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-1321
Updated
2026-11-02
NVD 7.5

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Record
CVE-2021-23373
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-1321
Updated
2026-11-02
OSVGHSA-v42q-78w8-8fcc 9.8

set-deep-prop Prototype Pollution

All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality.

Record
GHSA-v42q-78w8-8fcc
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-1321
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
set-deep-prop
npm
through 1.0.0 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-23373 is a high vulnerability (CVSS 7.5) in Set-deep-prop Project Set-deep-prop, published July 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.

References

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