CVE-2021-23507
CVE-2021-23507 is a high-severity vulnerability in Skratchdot Object-path-set with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Skratchdot Object-path-set
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2021-23507?
- 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
- How severe is CVE-2021-23507?
- CVE-2021-23507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-23507 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-23507?
- CVE-2021-23507 affects Skratchdot Object-path-set. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-23507?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-23507 published?
- CVE-2021-23507 was published on 2022-02-04 and last updated on 2026-06-17.
References
- https://github.com/skratchdot/object-path-set/blob/577f5299fed15bb9edd11c940ff3cf0b9f4748d5/index.js%23L8
- https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761
- https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/
- https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576
Affected products (1)
- cpe:2.3:a:skratchdot:object-path-set:*:*:*:*:*:*:*:*
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