How severe is CVE-2019-4001?

CVE-2019-4001 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4001?

CVE-2019-4001 affects Druva Insync. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4001?

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-2019-4001 published?

CVE-2019-4001 was published on 2020-03-24 and last updated on 2026-06-17.

CVE-2019-4001

CVE-2019-4001 is a high-severity vulnerability in Druva Insync with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Druva Insync
Published: 2020-03-24
Last modified: 2026-06-17

Description

Improper input validation in Druva inSync Client 6.5.0 allows a local, authenticated attacker to execute arbitrary NodeJS code.

Frequently asked questions

What is CVE-2019-4001?: Improper input validation in Druva inSync Client 6.5.0 allows a local, authenticated attacker to execute arbitrary NodeJS code.
How severe is CVE-2019-4001?: CVE-2019-4001 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4001?: CVE-2019-4001 affects Druva Insync. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4001?: 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-2019-4001 published?: CVE-2019-4001 was published on 2020-03-24 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2020-12

Affected products (1)

cpe:2.3:a:druva:insync:6.5.0:*:*:*:*:*:*:*

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