How severe is CVE-2020-28274?

CVE-2020-28274 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-28274 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-2020-28274?

CVE-2020-28274 affects Deepref Project Deepref. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28274?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-28274 published?

CVE-2020-28274 was published on 2020-12-08 and last updated on 2026-06-17.

CVE-2020-28274

CVE-2020-28274 is a critical-severity vulnerability in Deepref Project Deepref with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Deepref Project Deepref
Published: 2020-12-08
Last modified: 2026-06-17

Description

Prototype pollution vulnerability in 'deepref' versions 1.1.1 through 1.2.1 allows attacker to cause a denial of service and may lead to remote code execution.

Frequently asked questions

What is CVE-2020-28274?: Prototype pollution vulnerability in 'deepref' versions 1.1.1 through 1.2.1 allows attacker to cause a denial of service and may lead to remote code execution.
How severe is CVE-2020-28274?: CVE-2020-28274 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-28274 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-2020-28274?: CVE-2020-28274 affects Deepref Project Deepref. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28274?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-28274 published?: CVE-2020-28274 was published on 2020-12-08 and last updated on 2026-06-17.

References

https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28274%2Chttps://github.com/isaymatato/deepref/commit/24935e6a1060cb09c641d3075982f0b44cfca4c2

Affected products (1)

cpe:2.3:a:deepref_project:deepref:*:*:*:*:*:node.js:*:*