How severe is CVE-2021-3190?

CVE-2021-3190 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-2021-3190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3190?

CVE-2021-3190 affects Async-git Project Async-git. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3190?

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-2021-3190 published?

CVE-2021-3190 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2021-3190

CVE-2021-3190 is a critical-severity vulnerability in Async-git Project Async-git 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Async-git Project Async-git
Published: 2021-01-26
Last modified: 2026-06-17

Description

The async-git package before 1.13.2 for Node.js allows OS Command Injection via shell metacharacters, as demonstrated by git.reset and git.tag.

Frequently asked questions

What is CVE-2021-3190?: The async-git package before 1.13.2 for Node.js allows OS Command Injection via shell metacharacters, as demonstrated by git.reset and git.tag.
How severe is CVE-2021-3190?: CVE-2021-3190 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-2021-3190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3190?: CVE-2021-3190 affects Async-git Project Async-git. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3190?: 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-2021-3190 published?: CVE-2021-3190 was published on 2021-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:async-git_project:async-git:*:*:*:*:*:node.js:*:*

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