CVE-2022-34038

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.

Published: 2023-08-22 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-34038 is rated Moderate Risk (54.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.31%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-34038

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.46% 1.31% +0.86%
2 2026-04-04 0.62% 0.46% -0.16%
3 2025-12-07 — 0.62% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-34038

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-34038

GitHub Security Advisory for CVE-2022-34038

GHSA-65rp-cv85-263x · Severity: high · Ecosystem: go — etcd denial of service vulnerability

OS Trackers for CVE-2022-34038

vendor priority summary link
debian unimportant CVE-2022-34038 unimportant priority: Debian including 1 source packages (etcd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2022-34038
redhat medium — https://access.redhat.com/security/cve/CVE-2022-34038
ubuntu medium CVE-2022-34038 medium priority: Ubuntu including 1 source packages (etcd), 9 status rows across 9 suites (bionic, focal, jammy, lunar, mantic, noble, trusty, upstream, xenial): not-affected 5, ignored 3, needs-triage 1. https://ubuntu.com/security/CVE-2022-34038

Affected software / configurations for CVE-2022-34038

Vendor Product Version Raw CPE
etcd etcd 3.5.4 cpe:2.3:a:etcd:etcd:3.5.4:*:*:*:*:*:*:*

References for CVE-2022-34038

cvelogic Threat Intelligence