How severe is CVE-2020-7672?

CVE-2020-7672 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2020-7672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7672?

CVE-2020-7672 affects Mosc Project Mosc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7672?

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-2020-7672 published?

CVE-2020-7672 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-7672

CVE-2020-7672 is a high-severity vulnerability in Mosc Project Mosc with a CVSS 3.x base score of 8.6. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mosc Project Mosc
Published: 2020-06-10
Last modified: 2026-06-17

Description

mosc through 1.0.0 is vulnerable to Arbitrary Code Execution. User input provided to `properties` argument is executed by the `eval` function, resulting in code execution.

Frequently asked questions

What is CVE-2020-7672?: mosc through 1.0.0 is vulnerable to Arbitrary Code Execution. User input provided to `properties` argument is executed by the `eval` function, resulting in code execution.
How severe is CVE-2020-7672?: CVE-2020-7672 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2020-7672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7672?: CVE-2020-7672 affects Mosc Project Mosc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7672?: 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-2020-7672 published?: CVE-2020-7672 was published on 2020-06-10 and last updated on 2026-06-17.

References

https://snyk.io/vuln/SNYK-JS-MOSC-571492

Affected products (1)

cpe:2.3:a:mosc_project:mosc:*:*:*:*:*:node.js:*:*

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