CVE-2021-34080: OS Command Injection vulnerability in es128 ssl-utils 1.0.0 for Node.js allows attackers to execute arbitrary

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CRITICAL 9.8REMOTEUPGRADE

CVE-2021-34080 is a critical-severity flaw (CVSS 9.8) affecting ssl-utils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OS Command Injection vulnerability in es128 ssl-utils 1.0.0 for Node.js allows attackers to execute arbitrary commands via unsanitized shell metacharacters provided to the createCertRequest() and the createCert() functions.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-06-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ssl-utils project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-06-02 14:15 UTCPublished CVE record published
2026-06-17 03:55 UTCUpdated Record last modified

ssl-utils project ssl-utils UPGRADE

Affected: <= 1.0.0

Fixed in: newer than 1.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls ssl-utils

2. UPGRADE to newer than 1.0.0

npm install ssl-utils@">1.0.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-34080?

ssl-utils: upgrade to newer than 1.0.0. Exact commands for each OS are on this page.

Is CVE-2021-34080 being exploited?

CVE-2021-34080 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-34080 affect?

CVE-2021-34080 affects ssl-utils. Severity is critical (CVSS 9.8). OS Command Injection vulnerability in es128 ssl-utils 1.0.0 for Node.js allows attackers to execute arbitrary commands via unsanitized shell metacharacters provided to the createCertRequest() and the createCert() functions.

How urgent is CVE-2021-34080?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

References

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