Arbitrary command injection in portkiller
Priority MEDIUM 45CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-78.
Summary
This affects all versions of package portkiller. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
Why it matters now
EPSS 0.01336 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | portkiller | all versions | — | No fix listed | CNA |
| — | portkiller (npm) | up to 1.0.3 | — | No fix listed | GHSA-r6fw-8m27-43c9 |
- portkiller Vendor— Affected all versions Fixed in — No fix listed CNA
- portkiller (npm) Vendor— Affected up to 1.0.3 Fixed in — No fix listed GHSA-r6fw-8m27-43c9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:portkiller_project:portkiller:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Portkiller Project |
- cpe:2.3:a:portkiller_project:portkiller:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Portkiller Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23379
- 2026-10-03 Alias added: GHSA-r6fw-8m27-43c9
References
Sources
- CVE-2021-23379 · CVE Program
- CVE-2021-23379 · NVD
- FIRST EPSS
- GHSA-r6fw-8m27-43c9 · GitHub Advisory Database · CC BY 4.0
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