Etcd v3.5.4 allows remote attackers to cause a denial of service via function…
Priority MEDIUM 42CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01751 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 16.1 | Affected | No fix yet |
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet |
| Red Hat OpenStack Platform 17.0 | Affected | No fix yet |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet |
| Red Hat OpenStack Platform 18.0 | Affected | No fix yet |
| Red Hat Storage 3 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34038
References
More etcd-io Etcd vulnerabilities
- TI-2021-09444 Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to… CVSS 3.1CRITICAL 9.8
- TI-2026-25810 etcd: Authorization bypasses in multiple APIs CVSS 4.0HIGH 8.8
- TI-2018-12096 Improper authentication in etcd: CVSS 3.1HIGH 8.1
- TI-2026-42635 etcd: gRPC client listener does not enforce `--client-crl-file` certificate revocation CVSS 3.1HIGH 8.1
- TI-2026-25749 etcd: Nested etcd transactions bypass RBAC authorization checks CVSS 3.1MEDIUM 6.5
- TI-2020-11888 Improper Preservation of Permissions in etcd CVSS 3.1HIGH 7.1
Sources
- CVE-2022-34038 · CVE Program
- CVE-2022-34038 · NVD
- FIRST EPSS
- CVE-2022-34038 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences