CVE-2020-8268

Q: How do I fix CVE-2020-8268?

Upgrade json8-merge-patch to 1.0.3 or later.

Q: Is CVE-2020-8268 being actively exploited?

Not that we know of. CVE-2020-8268 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 68% of all scored CVEs.

Q: How severe is CVE-2020-8268?

CVE-2020-8268 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2020-8268 affect?

Published advisories record a fix for json8-merge-patch (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

1.29%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Exploit1

hackerone.com

Related Vulnerabilities

Other CWE-471 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-21824	High	8.2	22%	-	Fix
CVE-2018-3728	High	8.8	4.2%	-	Fix
CVE-2020-8147	Critical	9.8	3.1%	-	-
CVE-2020-8116	High	7.3	3.1%	-	Fix
CVE-2018-3721	Medium	6.5	2.4%	-	Fix
CVE-2018-3719	High	8.8	2.1%	-	Fix

Common questions

How do I fix CVE-2020-8268?

Upgrade json8-merge-patch to 1.0.3 or later.

Is CVE-2020-8268 being actively exploited?

Not that we know of. CVE-2020-8268 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 68% of all scored CVEs.

How severe is CVE-2020-8268?

CVE-2020-8268 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-8268 affect?

Published advisories record a fix for json8-merge-patch (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.