HOMEVULNERABILITIESCVE-2021-23507
CRITICAL

CVE-2021-23507

CWE-1321Published: February 4, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908

NVD Source

Technical Analysis

CVE-2021-23507 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

skratchdot1 product(s)
object-path-set
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761
PATCHhttps://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761
ADVISORYhttps://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/
ADVISORYhttps://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576
ADVISORYhttps://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/
ADVISORYhttps://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576

All References (8)

→
https://github.com/skratchdot/object-path-set/blob/577f5299fed15bb9edd11c940ff3cf0b9f4748d5/index.js%23L8Broken Link
→
https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761Patch · Third Party Advisory
→
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
→
https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576Exploit · Third Party Advisory
→
https://github.com/skratchdot/object-path-set/blob/577f5299fed15bb9edd11c940ff3cf0b9f4748d5/index.js%23L8Broken Link
→
https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761Patch · Third Party Advisory
→
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
→
https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2021-23507
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-1321
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 4, 2022

Related CVEs (CWE-1321)

CVE-2026-25150
10.0
CVE-2024-38999
10.0
CVE-2026-25881
10.0
CVE-2021-23594
10.0
CVE-2024-39008
10.0
CVE-2020-12079
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-23507 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2021-23507·NVD