Is CVE-2021-23507 in the CISA KEV catalog?

No. CVE-2021-23507 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23507?

CVE-2021-23507 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-23507?

CVE-2021-23507 has an EPSS score of 2.13% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23507?

Upgrade object-path-set to 1.0.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-23507

HIGHEPSS 80th pctl

7.5

CVSS v3

NVD

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

CWE-1321

How to fix

Remediation Available

object-path-setNVD

Affected:< 1.0.2Fixed in:1.0.2CVE-2021-23507derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.13%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

github.com

Exploit1

snyk.io

Third-Party Advisory1

snyk.io

Other references1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.