CVE-2021-34079

Docker Tester vulnerability

CVSS

9.8

EPSS

4.2%

EPSS pct

90th

Exploited

No 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.

Affected vendor

Docker Tester Project

Affected product

Docker Tester

CVSS vector

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

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2022-06-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2021-34079

Confirm whether Docker Tester Project Docker Tester is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-34079.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-34079

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-34079 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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