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Not in CISA KEV
LOW severity

CVE-2021-32830 — @diez/generation

LOW

CVE-2021-32830 is a low-severity (CVSS 3.9) OS Command Injection vulnerability in @diez/generation. 1 public exploit reference exists, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Command injection in @diez/generation

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Sep 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs79th percentile — riskier than 79% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2021-32830 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,386 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

2other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
@diez/generationnpm
1Kdownloads / week

Description

The @diez/generation npm package is a client for Diez. The locateFont method of @diez/generation has a command injection vulnerability. Clients of the @diez/generation library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. All versions of this package are vulnerable as of the writing of this CVE.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npm@diez/generationall versionsNo fix

Affected Products

1 product · 1 configurations
Application
diezhaikuforteams
all
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for @diez/generation, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of @diez/generation has shipped for CVE-2021-32830 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

The `@diez/generation` npm package is a client for Diez. The locateFont method of @diez/generation has a command injection vulnerability. Clients of the @diez/generation library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. All versions of this package are vulnerable as of the writing of this CVE.
O3 Security · Impact-Aware SCA

Is CVE-2021-32830 in your dependencies?

Find it across npm, including transitive dependencies.

CVE-2021-32830: @diez/generation: Command injection