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Fencer Vulns
medium 5.3

CVE-2023-3462 json

Vault's LDAP Auth Method Allows for User Enumeration

published 2023-07-31 3 y ago modified 2026-09-10 1 mo ago also BIT-vault-2023-3462 , EUVD-2023-2263 , GHSA-9v3w-w2jh-4hff , GO-2023-1986

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

HashiCorp's Vault and Vault Enterprise are vulnerable to user enumeration when using the LDAP auth method. An attacker may submit requests of existent and non-existent LDAP users and observe the response from Vault to check if the account is valid on the LDAP server. This vulnerability is fixed in Vault 1.14.1 and 1.13.5.

Patch / fix

  • go github.com/hashicorp/vault 1.13.5, 1.14.1
  • bitnami vault 1.13.5, 1.14.1
  • hashicorp vault 1.13.5

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-2023-3462 updated cvss 5.3

Hashicorp/vault: Vault’s LDAP Auth Method Allows for User Enumeration

  • Red Hat Openshift Container Storage 4 ocs4/cephcsi-rhel8, ocs4/mcg-rhel8-operator, ocs4/ocs-rhel8-operator, ocs4/rook-ceph-rhel8-operator
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 4.16 openshift4/ose-installer-rhel9 v4.16.0-202410011135.p0.ge8f8bf9.assembly.stream.el9
    fixed: vendor fix RHSA-2024:7599
  • Red Hat OpenShift Container Platform 4.17 openshift4/ose-installer-rhel9 v4.17.0-202410090834.p0.gec752c1.assembly.stream.el9
    fixed: vendor fix RHSA-2024:7922
  • Red Hat RHODF 4.14 for RHEL 9 odf4/rook-ceph-rhel9-operator v4.14.0-71
    fixed: vendor fix RHSA-2023:6832
  • Red Hat RHODF 4.15 for RHEL 9 odf4/odf-rhel9-operator v4.15.0-19
    fixed: vendor fix RHSA-2024:1383
  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/logging-loki-rhel9 Red Hat OpenShift Container Platform 4 openshift4/topology-aware-lifecycle-manager-rhel8-operator Red Hat OpenShift Container Platform 4.16 rhcos 416.94.202410020522-0, openshift4/ose-cli-rhel9 v4.16.0-202410011135.p0.gc44c839.assembly.stream.el9, openshift4/ose-pod-rhel9 v4.16.0-202410011135.p0.g632b078.assembly.stream.el9, openshift4/ose-sdn-rhel9 v4.16.0-202410011135.p0.g807fca2.assembly.stream.el9, openshift4/ose-etcd-rhel9 v4.16.0-202410011135.p0.g16202ec.assembly.stream.el9, openshift4/ose-tests-rhel9 v4.16.0-202410011135.p0.g06403d4.assembly.stream.el9, +185 more Red Hat OpenShift Container Platform 4.17 rhcos 417.94.202410090854-0, openshift4/frr-rhel9 v4.17.0-202410071037.p0.g377d02f.assembly.stream.el9, openshift4/ose-cli-rhel9 v4.17.0-202410031034.p0.g9566b8e.assembly.stream.el9, openshift4/ose-pod-rhel9 v4.17.0-202410011205.p0.g9f67343.assembly.stream.el9, openshift4/ose-etcd-rhel9 v4.17.0-202410041306.p0.gc82057d.assembly.stream.el9, openshift4/ose-tests-rhel9 v4.17.0-202410090834.p0.g6513fc3.assembly.stream.el9, +182 more Red Hat Openshift Data Foundation 4 odf4/cephcsi-rhel9, odf4/mcg-rhel9-operator, odf4/ocs-rhel9-operator, odf4/odr-rhel9-operator, odf4/odf-multicluster-rhel9-operator Red Hat RHODF 4.14 for RHEL 9 odf4/cephcsi-rhel9 v4.14.0-29, odf4/mcg-cli-rhel9 v4.14.0-44, odf4/mcg-core-rhel9 v4.14.0-63, odf4/odf-console-rhel9 v4.14.0-77, odf4/mcg-rhel9-operator v4.14.0-43, odf4/ocs-rhel9-operator v4.14.0-67, +19 more
    +1 more products
    Red Hat RHODF 4.15 for RHEL 9 odf4/cephcsi-rhel9 v4.15.0-37, odf4/odf-cli-rhel9 v4.15.0-22, odf4/mcg-core-rhel9 v4.15.0-68, odf4/odf-console-rhel9 v4.15.0-57, odf4/mcg-rhel9-operator v4.15.0-39, odf4/ocs-rhel9-operator v4.15.0-79, +19 more
    not affected: vulnerable code not present

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
2 y ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/vault
<1.13.5
>=1.14.0, <1.14.1
1.13.5
1.14.1
bitnami vault
>=1.13.0, <1.13.5
>=1.14.0, <1.14.1
1.13.5
1.14.1

Affected products

  • HashiCorp Vault
  • HashiCorp Vault Enterprise

Classification

Weakness

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.