How severe is CVE-2020-8116?

CVE-2020-8116 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-8116 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8116?

CVE-2020-8116 affects Dot-prop Project Dot-prop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8116?

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-2020-8116 published?

CVE-2020-8116 was published on 2020-02-04 and last updated on 2026-06-17.

CVE-2020-8116

CVE-2020-8116 is a high-severity vulnerability in Dot-prop Project Dot-prop with a CVSS 3.x base score of 7.3. 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 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Dot-prop Project Dot-prop
Published: 2020-02-04
Last modified: 2026-06-17

Description

Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

Frequently asked questions

What is CVE-2020-8116?: Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
How severe is CVE-2020-8116?: CVE-2020-8116 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-8116 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8116?: CVE-2020-8116 affects Dot-prop Project Dot-prop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8116?: 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-2020-8116 published?: CVE-2020-8116 was published on 2020-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dot-prop_project:dot-prop:*:*:*:*:*:node.js:*:*

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