Skip to main content

Gnuplot CVE-2021-29369

CRITICAL
OS Command Injection (CWE-78)
2021-05-03 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 1.8% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

The gnuplot package prior to version 0.1.0 for Node.js allows code execution via shell metacharacters in Gnuplot commands. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This OS Command Injection vulnerability could allow attackers to execute arbitrary operating system commands on the host.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affected Packages

npm @rkesters/gnuplot fix: 0.1.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in npm

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The gnuplot package prior to version 0.1.0 for Node.js allows code execution via shell metacharacters in Gnuplot commands. Affected products include: Gnuplot Project Gnuplot. Version information: version 0.1.0.

Know when Gnuplot gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

The gnuplot package prior to version 0.1.0 for Node.js allows code execution via shell metacharacters in Gnuplot commands.

Threat Intelligence Overview

EPSS Score
1.8%
Top 24% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 1.8%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:gnuplot_project:gnuplot:*:*:*:*:*:node.js:*:*
CVE-2020-25412 CRITICAL POC
9.8 Sep 16

com_line() in command.c in gnuplot 5.4 leads to an out-of-bounds-write from strncpy() that may lead to arbitrary code ex

CVE-2020-25559 HIGH POC
7.8 Sep 16

gnuplot 5.5 is affected by double free when executing print_set_output. Rated high severity (CVSS 7.8), this vulnerabili

CVE-2018-19492 HIGH POC
7.8 Nov 23

An issue was discovered in cairo.trm in Gnuplot 5.2.5. Rated high severity (CVSS 7.8), this vulnerability is no authenti

CVE-2018-19491 HIGH POC
7.8 Nov 23

An issue was discovered in post.trm in Gnuplot 5.2.5. Rated high severity (CVSS 7.8), this vulnerability is no authentic

CVE-2018-19490 HIGH POC
7.8 Nov 23

An issue was discovered in datafile.c in Gnuplot 5.2.5. Rated high severity (CVSS 7.8), this vulnerability is no authent

CVE-2021-44917 MEDIUM POC
5.5 Dec 21

A Divide by Zero vulnerability exists in gnuplot 5.4 in the boundary3d function in graph3d.c, which could cause a Arithm

CVE-2017-9670 HIGH
7.8 Jun 15

An uninitialized stack variable vulnerability in load_tic_series() in set.c in gnuplot 5.2.rc1 allows an attacker to cau

CVE-2025-31181 MEDIUM
6.2 Mar 27

A flaw was found in gnuplot. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low att

CVE-2025-31180 MEDIUM
6.2 Mar 27

A flaw was found in gnuplot. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low att

CVE-2025-31179 MEDIUM
6.2 Mar 27

A flaw was found in gnuplot. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low att

CVE-2025-31178 MEDIUM
6.2 Mar 27

A flaw was found in gnuplot. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low att

CVE-2025-31176 MEDIUM
6.2 Mar 27

A flaw was found in gnuplot. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low att

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy