Is CVE-2020-8268 in the CISA KEV catalog?

No. CVE-2020-8268 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8268?

CVE-2020-8268 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-8268?

CVE-2020-8268 has an EPSS score of 1.28% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8268?

Upgrade json8-merge-patch to 1.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2020-8268

HIGH

7.5

CVSS v3

NVD

Description

Prototype pollution vulnerability in json8-merge-patch npm package < 1.0.3 may allow attackers to inject or modify methods and properties of the global object constructor.

CWE-471 CWE-20Improper Input Validation

How to fix

Remediation Available

json8-merge-patchNVD

Affected:< 1.0.3Fixed in:1.0.3CVE-2020-8268derived 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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.28%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Exploit1

hackerone.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.