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Fencer Vulns
medium 5.3

CVE-2020-35177 json

Enumeration of users in HashiCorp Vault

published 2020-12-17 5 y ago modified 2026-09-08 2 mo ago also BIT-vault-2020-35177 , EUVD-2024-0419 , GHSA-rpgp-9hmg-j25x , GO-2024-2508

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

HashiCorp Vault and Vault Enterprise 1.4.1 and newer allowed the enumeration of users via the LDAP auth method. Fixed in 1.5.6 and 1.6.1.

Patch / fix

  • go github.com/hashicorp/vault 1.5.6, 1.6.1
  • bitnami vault 1.5.6, 1.6.1
  • hashicorp vault 1.5.6, 1.6.1
  • vault Alpine 3.18, Alpine 3.17, Alpine 3.16 +3 more 1.5.6-r0

alpine advisories ALPINE-CVE-2020-35177

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • vault Arch Linux 1.5.7-1

arch linux advisories AVG-1368

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-2020-35177 updated cvss 5.3

vault: Enumeration of users via the LDAP auth method

  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/logging-loki-rhel8 Red Hat OpenShift Service Mesh 1 servicemesh, servicemesh-mixc, servicemesh-mixs, servicemesh-galley, servicemesh-citadel, servicemesh-istioctl, +3 more Red Hat OpenShift Service Mesh 2.0 servicemesh, servicemesh-mixc, servicemesh-mixs, servicemesh-istioctl, servicemesh-pilot-agent, servicemesh-pilot-discovery Red Hat Advanced Cluster Management for Kubernetes 2 vault Red Hat OpenShift Container Platform 4 openshift4/ose-installer, openshift4/topology-aware-lifecycle-manager-rhel8-operator Red Hat Openshift Container Storage 4 ocs4/cephcsi-rhel8, ocs4/mcg-rhel8-operator, ocs4/ocs-rhel8-operator, ocs4/rook-ceph-rhel8-operator
    +1 more products
    Red Hat Openshift Data Foundation 4 odf4/cephcsi-rhel9, odf4/mcg-rhel9-operator, odf4/ocs-rhel9-operator, odf4/odf-rhel8-operator, odf4/odr-rhel8-operator, odf4/rook-ceph-rhel8-operator, +1 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

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:R
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/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
>=1.5.0, <1.5.6
>=1.6.0, <1.6.1
1.5.6
1.6.1
bitnami vault
>=1.5.0, <1.5.6
>=1.6.0, <1.6.1
1.5.6
1.6.1

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-209 Generation of Error Message Containing Sensitive Information

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.