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CVE-2021-23360

28
FAUCET Score

CVE-2021-23360 is a critical command injection vulnerability affecting the killport package prior to version 1.0.2. It allows an authenticated attacker to execute arbitrary commands on the system due to unsanitized user input being passed to the child_process exec function. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk, enabling complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, and no public exploit intelligence such as Metasploit modules or ExploitDB entries are available. Community discussion and media coverage are also minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.2CPE matchmatch criteria
cpe:2.3:a:killport_project:killport:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 80th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: killportFixed in: 1.0.2

Vendor Advisories (1)

npmGHSA-fc42-h7q4-qp8hhigh

Command Injection in killport

Apr 13, 2021

References

github.com / ssnau/killport/blob/5268f23ea8f152e47182b263d8f7ef20c12a9f28/index.js%23L9
Broken Link
github.com / ssnau/killport/commit/bec8e371f170a12e11cd222ffc7a6e1ae9942638
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-KILLPORT-1078535
ExploitPatchThird Party Advisory