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Fencer Vulns
low 3.1

CVE-2023-32082 json

etcd key name can be accessed via LeaseTimeToLive API

published 2023-05-11 3 y ago modified 2026-09-10 1 mo ago also BIT-etcd-2023-32082 , EUVD-2023-1459 , GHSA-3p4g-rcw5-8298

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when `Keys` parameter is true, even a user doesn't have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.

Patch / fix

  • go github.com/etcd-io/etcd 3.4.26, 3.5.9
  • bitnami etcd 3.4.26, 3.5.9
  • etcd etcd 3.4.26, 3.5.9
  • etcd Debian 14, Debian 13 3.4.30-1

debian advisories DEBIAN-CVE-2023-32082

  • etcd openstack 17.0 3.4.26-1.el9ost

red hat advisories RHSA-2023:3441

  • etcd CBL-Mariner 2.0 3.5.3-10

azure linux advisories AZL-26666

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-32082 updated cvss 3.1

etcd: Key name can be accessed via LeaseTimeToLive API

  • Red Hat Enterprise Linux 7 etcd, etcd3
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 4 openshift4/ose-etcd
    affected: no fix available
  • Red Hat OpenStack Platform 16.1 etcd Red Hat OpenStack Platform 16.2 etcd Red Hat Storage 3 etcd
    affected: no fix available “Fix deferred”
  • Red Hat OpenStack Platform 17.0 etcd 3.4.26-1.el9ost
    fixed: vendor fix RHSA-2023:3441

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/etcd-io/etcd
<3.4.26
>=3.5.0, <3.5.9
3.4.26
3.5.9
bitnami etcd
<3.4.26
>=3.5.0, <3.5.9
3.4.26
3.5.9

Affected products

  • etcd-io etcd

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.