Security readout for executives and security teams
Plain-English summary
CVE-2021-29369 concerns a Node.js gnuplot package that could allow code execution through shell metacharacters in Gnuplot commands before version 0.1.0. Business risk depends on whether the package is used and whether attacker-controlled input reaches Gnuplot command construction.
Executive priority
Prioritize investigation if the organization runs Node.js services that generate plots. Treat confirmed reachable usage as urgent because code execution may affect server integrity, but avoid incident escalation solely on this CVE without dependency and reachability evidence.
Technical view
The vulnerability is command injection in Gnuplot command handling for the Node.js gnuplot package prior to 0.1.0. Public sources do not provide CVSS, CWE, exploit maturity, or detailed affected CPEs. The referenced npm package and GitHub commit are the primary remediation context.
Likely exposure
Exposure is likely limited to applications that depend on the referenced Node.js gnuplot package and build Gnuplot commands from user-controllable data. Organizations without this dependency are not exposed based on the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The impact is serious if reachable because shell metacharacter handling can turn plotting input into code execution, but public exploit status is not established here.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, or exploit evidence is included. Analysis should focus on dependency presence, version, and whether attacker-controlled data can influence Gnuplot commands. The GitHub commit should be reviewed for exact behavioral change.
Mitigation direction
- Check whether applications use the referenced Node.js gnuplot package.
- Upgrade affected package usage to version 0.1.0 or later where available.
- Review vendor npm and GitHub guidance before changing production deployments.
- Avoid passing untrusted input into Gnuplot command construction.
- Add input validation around any plotting parameters sourced from users.
Validation and detection
- Search dependency manifests and lockfiles for the referenced gnuplot package.
- Confirm installed versions are not below 0.1.0.
- Trace whether external input reaches Gnuplot command generation.
- Review recent application logs for unexpected plotting errors or command behavior.
- Verify tests cover untrusted plotting input and metacharacter handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-29369 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.npmjs.com/package/%40rkesters/gnuplotCVE reference · x_refsource_MISC
- https://github.com/rkesters/gnuplot/commit/23671d4d3d28570fb19a936a6328bfac742410deCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.