How severe is CVE-2020-7724?

CVE-2020-7724 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-2020-7724 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7724?

CVE-2020-7724 affects Tiny-conf Project Tiny-conf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7724?

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-2020-7724 published?

CVE-2020-7724 was published on 2020-09-01 and last updated on 2026-06-17.

CVE-2020-7724

CVE-2020-7724 is a critical-severity vulnerability in Tiny-conf Project Tiny-conf 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. The underlying weakness is classified as CWE-1321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Tiny-conf Project Tiny-conf
Published: 2020-09-01
Last modified: 2026-06-17

Description

All versions of package tiny-conf are vulnerable to Prototype Pollution via the set function.

Frequently asked questions

What is CVE-2020-7724?: All versions of package tiny-conf are vulnerable to Prototype Pollution via the set function.
How severe is CVE-2020-7724?: CVE-2020-7724 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-2020-7724 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7724?: CVE-2020-7724 affects Tiny-conf Project Tiny-conf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7724?: 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-2020-7724 published?: CVE-2020-7724 was published on 2020-09-01 and last updated on 2026-06-17.

References

https://snyk.io/vuln/SNYK-JS-TINYCONF-598792

Affected products (1)

cpe:2.3:a:tiny-conf_project:tiny-conf:*:*:*:*:*:node.js:*:*

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