Denial of Service in Etcd v3.5.4

etcd Updated 02 Oct 2025

Summary

22/08/2023
N/A
No i
High
7.5

CVE-2022-34038: Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. Affects etcd versions < 08407ff7600eb16c4445d5f21c4fafaf19412e24. No fix is published. How to fix ↓

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Background

Etcd is a distributed key-value store used for shared configuration and service discovery in cloud-native systems. It provides a reliable and highly available data store for storing critical information. However, Etcd v3.5.4 is susceptible to a denial of service vulnerability.

Vulnerability Detail

The vulnerability, identified as CVE-2022-34038, allows remote attackers to cause a denial of service by exploiting the function PageWriter.write in pagewriter.go. Although the vendor claims this is not a vulnerability, it can still lead to service disruption. The vulnerability has a CVSS score of 7.5, indicating a high severity level.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been provided for this vulnerability.

Conclusion

Etcd v3.5.4 is vulnerable to a denial of service, as identified by CVE-2022-34038. It is crucial to update to a non-affected version of Etcd to mitigate potential risks. For further support on vulnerability remediation, contact DevNack.com.

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FAQ

Etcd is a distributed key-value store used for shared configuration and service discovery in cloud-native systems.

The vulnerability can lead to a denial of service, potentially causing service disruption.

The vulnerability has a CVSS score of 7.5, indicating a high severity level.

To fix this vulnerability, update to a version of Etcd that is not affected.

No specific workaround has been provided for this vulnerability.

Related vulnerabilities

Recent vulnerabilities recorded for etcd.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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