Advisory Published
Updated

CVE-2020-29577

First published: Tue Dec 08 2020(Updated: )

The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
ZNC Docker Image=1.6
ZNC Docker Image=1.6-slim
ZNC Docker Image=1.6.4
ZNC Docker Image=1.6.4-slim
ZNC Docker Image=1.6.5
ZNC Docker Image=1.6.5-slim
ZNC Docker Image=1.6.6
ZNC Docker Image=1.6.6-slim
ZNC Docker Image=1.7.0
ZNC Docker Image=1.7.0-slim
ZNC Docker Image=1.7.1-slim

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Frequently Asked Questions

  • What is the severity of CVE-2020-29577?

    CVE-2020-29577 is considered a high-severity vulnerability due to the potential for remote root access.

  • How do I fix CVE-2020-29577?

    To fix CVE-2020-29577, upgrade to version 1.7.1-slim or later of the ZNC Docker image.

  • What are the affected versions in CVE-2020-29577?

    The affected versions in CVE-2020-29577 are all versions of the ZNC Docker image prior to 1.7.1-slim.

  • What type of attack vectors does CVE-2020-29577 expose?

    CVE-2020-29577 exposes systems to remote attacks that can lead to unauthorized root access.

  • Is there a workaround for CVE-2020-29577?

    There is no known workaround for CVE-2020-29577; the only solution is to upgrade to the fixed version.

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