CVE-2021-33360: An issue found in Stoqey gnuplot v.0.0.3 and earlier allows attackers to execute arbitrary code via the src/in

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CRITICAL 9.8REMOTEUPGRADE

CVE-2021-33360 is a critical-severity flaw (CVSS 9.8) affecting gnuplot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue found in Stoqey gnuplot v.0.0.3 and earlier allows attackers to execute arbitrary code via the src/index.ts, plotCallack, child_process, and/or filePath parameter(s).

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	1.1% (top 34%)
CISA exploited list	No
Published	2023-03-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: stoqey

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

Am I affected?

Timeline

2023-03-10 16:15 UTCPublished CVE record published
2026-06-17 03:54 UTCUpdated Record last modified

stoqey gnuplot UPGRADE

Affected: <= 0.0.3

Fixed in: newer than 0.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls gnuplot

2. UPGRADE to newer than 0.0.3

npm install gnuplot@">0.0.3"

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-2021-33360?

gnuplot: upgrade to newer than 0.0.3. Exact commands for each OS are on this page.

Is CVE-2021-33360 being exploited?

CVE-2021-33360 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-2021-33360 affect?

CVE-2021-33360 affects gnuplot. Severity is critical (CVSS 9.8). An issue found in Stoqey gnuplot v.0.0.3 and earlier allows attackers to execute arbitrary code via the src/index.ts, plotCallack, child_process, and/or filePath parameter(s).

How urgent is CVE-2021-33360?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2025-31180 MEDIUM 6.2 UPGRADE A flaw was found in gnuplot
CVE-2025-31179 MEDIUM 6.2 UPGRADE A flaw was found in gnuplot
CVE-2025-31178 MEDIUM 6.2 UPGRADE A flaw was found in gnuplot
CVE-2025-31177 MEDIUM 5.5 DOWNGRADE gnuplot is affected by a heap buffer overflow at function utf8_copy_one.

References

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