What’s Vulnerable › Vulnerabilities

CVE-2020-35184

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-17 · updated 2026-06-17
• Weakness: CWE-306

Description

The official composer docker images before 1.8.3 contain a blank password for a root user. System using the composer docker container deployed by affected versions of the docker image may allow a remote attacker to achieve root access with a blank password.

Affected products

• Docker Composer Docker Image: before 1.8.3 — fixed in 1.8.3

How to fix

Upgrade to a fixed version: Docker Composer Docker Image 1.8.3. Check the vendor advisory for mitigations.

References

• https://github.com/koharin/koharin2/blob/main/CVE-2020-35184
• https://github.com/koharin/koharin2/blob/main/CVE-2020-35184

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