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CVE-2022-34038

19
FAUCET Score

CVE-2022-34038 describes a denial-of-service vulnerability in Etcd v3.5.4, specifically within the PageWriter.write function. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity to achieve a high impact on availability. Despite the high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.5.4CPE matchmatch criteria
cpe:2.3:a:etcd:etcd:3.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 47th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (23)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: go.etcd.io/etcd/v3Fixed in: 3.5.5
microsoftpatch availablevia msrc
Product: 18252-17084Fixed in: 1.29.1-2
microsoftpatch availablevia msrc
Product: 19942-17084Fixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: azl3 kubernetes 1.28.7-2 on Azure Linux 3.0Fixed in: 1.29.1-2
microsoftpatch availablevia msrc
Product: azl3 etcd 3.5.9-1 on Azure Linux 3.0Fixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 1.29.1-2
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 3.5.12-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 1.29.1-2
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 17.1Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 17.1Fixed in: openstack-etcd-container
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 18.0Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 18.0Fixed in: openstack-etcd-container
redhatno patchvia redhat_api
Product: Red Hat Storage 3Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: openstack-etcd-container
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: openstack-etcd-container
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 17.0Fixed in: etcd
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 17.0Fixed in: openstack-etcd-container

Vendor Advisories (4)

microsoft2024-Jun/CVE-2022-34038

CVE-2022-34038

Jun 11, 2024
goGHSA-65rp-cv85-263xhigh

etcd denial of service vulnerability

Aug 22, 2023
redhatCVE-2022-34038Moderate

etcd: remote DoS via PageWriter.write

Aug 22, 2023
microsoft2023-Aug/CVE-2022-34038Important

Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.

Aug 8, 2023

References

github.com / etcd-io/etcd/pull/14022
Patch
github.com / etcd-io/etcd/pull/14452
Patch
github.com / golang/vulndb/issues/2016
go-review.googlesource.com / c/vulndb/+/524456
go-review.googlesource.com / c/vulndb/+/524456/2/data/excluded/GO-2023-2016.yaml