How severe is CVE-2021-32619?

CVE-2021-32619 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-2021-32619 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32619?

CVE-2021-32619 affects Deno. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32619?

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-2021-32619 published?

CVE-2021-32619 was published on 2021-05-28 and last updated on 2026-06-17.

CVE-2021-32619

CVE-2021-32619 is a critical-severity vulnerability in Deno 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Deno
Published: 2021-05-28
Last modified: 2026-06-17

Description

Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. In Deno versions 1.5.0 to 1.10.1, modules that are dynamically imported through `import()` or `new Worker` might have been able to bypass network and file system permission checks when statically importing other modules. The vulnerability has been patched in Deno release 1.10.2.

Frequently asked questions

What is CVE-2021-32619?: Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. In Deno versions 1.5.0 to 1.10.1, modules that are dynamically imported through `import()` or `new Worker` might have been able to bypass network and file system permission checks when statically importing other modules. The vulnerability has been patched in Deno release 1.10.2.
How severe is CVE-2021-32619?: CVE-2021-32619 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-2021-32619 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32619?: CVE-2021-32619 affects Deno. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32619?: 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-2021-32619 published?: CVE-2021-32619 was published on 2021-05-28 and last updated on 2026-06-17.

References

https://github.com/denoland/deno/security/advisories/GHSA-xpwj-7v8q-mcgj

Affected products (1)

cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*

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