CVE-2021-32619: deno Improper Authorization
Vulnerability summary
CVE-2021-32619 is a critical (CVSS 9.8) Improper Authorization vulnerability in deno. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities.
Timeline
- 28-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · Crates.ioEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.11%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.11% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Crates.Io1 product
- deno≥ 1.5.0, < 1.10.2
Deno1 product
- deno≥ 1.5.0, < 1.10.2
Denoland1 product
- deno< 1.10.2
3 vendors · 3 products
References
3 links- github.com/denoland/deno/security/advisories/GHSA-xpwj-7v8q-mcgjX Refsource CONFIRMWEBThird Party Advisory
- github.com/denoland/denoPACKAGE