Cyber Resilience

CVE-2021-32619

Critical

Published: 28 May 2021

Published
28 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0036 58.8th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-32619 is a critical-severity Improper Authorization (CWE-285) vulnerability in Deno Deno. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 41.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

file system permission checks when statically importing other modules. The vulnerability has been patched in Deno release 1.10.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

deno
deno
1.5.0 — 1.10.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-285 CWE-863

Documented procedures facilitate correct implementation and ongoing management of authorization decisions.

addresses: CWE-285 CWE-863

Periodic reviews identify and correct flaws in authorization decisions or enforcement.

addresses: CWE-285 CWE-863

Establishing permitted attributes and values, plus auditing changes, ensures authorization decisions are based on correctly managed policy data.

addresses: CWE-285 CWE-863

Explicitly mandates authorizing remote access types before permitting connections, directly mitigating improper authorization.

addresses: CWE-285 CWE-863

The control explicitly requires authorization of each wireless access type prior to permitting connections.

addresses: CWE-285 CWE-863

Mandating explicit authorization of mobile device connections reduces the risk of improper authorization decisions for system access.

addresses: CWE-285 CWE-863

Specifying access authorizations for each account and requiring approvals for account requests enforces proper authorization decisions.

addresses: CWE-285 CWE-863

Requires explicit authorization for individuals to use external systems to access or handle organization-controlled information.

References