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CVE-2020-29577

CRITICALCVSS 9.8/10EPSS 2.29%

Last modified

CVE-2020-29577 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.29% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
2.29%

81.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
ZncZnc Docker Image1.6
ZncZnc Docker Image1.6-slim
ZncZnc Docker Image1.6.4
ZncZnc Docker Image1.6.4-slim
ZncZnc Docker Image1.6.5
ZncZnc Docker Image1.6.5-slim
ZncZnc Docker Image1.6.6
ZncZnc Docker Image1.6.6-slim
ZncZnc Docker Image1.7.0
ZncZnc Docker Image1.7.0-slim
ZncZnc Docker Image1.7.1-slim

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-29577?
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.
How severe is CVE-2020-29577?
CVE-2020-29577 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-29577?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29577?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST