Command injection in docker-tester

published 2022-06-01 4 y ago modified 2026-06-17 4 mo ago also GHSA-rj88-4777-828h , EUVD-2022-6148

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.1%; EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

OS Command injection vulnerability in Mintzo Docker-Tester through 1.2.1 allows attackers to execute arbitrary commands via shell metacharacters in the 'ports' entry of a crafted docker-compose.yml file.

Exploit prediction

4.13% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

advisory.checkmarx.net https://advisory.checkmarx.net/advisory/CX-2021-4786 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected packages

ecosystem	package	affected	fixed in
npm	docker-tester	<=1.2.1	no fix listed

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

advisory.checkmarx.net /advisory/CX-2021-4786
web, exploit, third-party-advisory
npmjs.com /package/docker-tester
web, product, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-34079
advisory
github.com /mintzo/docker-testing
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary