CVE-2021-34082: OS Command Injection vulnerability in allenhwkim proctree through 0.1.1 and commit 0ac10ae575459457838f14e21d5

Q: How do I fix CVE-2021-34082?

proctree: upgrade to newer than 0.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-34082 being exploited?

CVE-2021-34082 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-34082 affect?

CVE-2021-34082 affects proctree. Severity is critical (CVSS 9.8). OS Command Injection vulnerability in allenhwkim proctree through 0.1.1 and commit 0ac10ae575459457838f14e21d5996f2fa5c7593 for Node.js, allows attackers to execute arbitrary commands via the fix function.

Q: How urgent is CVE-2021-34082?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-34082 is a critical-severity flaw (CVSS 9.8) affecting proctree. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OS Command Injection vulnerability in allenhwkim proctree through 0.1.1 and commit 0ac10ae575459457838f14e21d5996f2fa5c7593 for Node.js, allows attackers to execute arbitrary commands via the fix function.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
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	4.8% (top 8%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-06-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: proctree 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

proctree project proctree UPGRADE

Affected: <= 0.1.1

Fixed in: newer than 0.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy proctree || rpm -q proctree || proctree --version

2. UPGRADE to newer than 0.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade proctree

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade proctree

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2021-34082?

proctree: upgrade to newer than 0.1.1. Exact commands for each OS are on this page.

Is CVE-2021-34082 being exploited?

CVE-2021-34082 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-2021-34082 affect?

CVE-2021-34082 affects proctree. Severity is critical (CVSS 9.8). OS Command Injection vulnerability in allenhwkim proctree through 0.1.1 and commit 0ac10ae575459457838f14e21d5996f2fa5c7593 for Node.js, allows attackers to execute arbitrary commands via the fix function.

How urgent is CVE-2021-34082?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

References

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