CVE-2020-35195

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% 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 haproxy docker images before 1.8.18-alpine (Alpine specific) contain a blank password for a root user. System using the haproxy 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 Haproxy Docker Image: before 1.8.18 — fixed in 1.8.18

How to fix

Upgrade to a fixed version: Docker Haproxy Docker Image 1.8.18. Check the vendor advisory for mitigations.

References

https://github.com/koharin/koharin2/blob/main/CVE-2020-35195
https://github.com/koharin/koharin2/blob/main/CVE-2020-35195

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