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CVE-2023-3462

Vault's LDAP Auth Method Allows for User Enumeration

5.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.61%Up 0.6 points since Aug 1, 2023
90%50%10%1%

What each source reports

CVE List Score used 5.3

Vault's LDAP Auth Method Allows for User Enumeration

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.

Record
CVE-2023-3462
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
EUVDEUVD-2023-2263 5.3

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.

Record
EUVD-2023-2263
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-9v3w-w2jh-4hff 5.3

HashiCorp Vault and Vault Enterprise vulnerable to user enumeration

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.

Record
GHSA-9v3w-w2jh-4hff
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
NVD 5.3

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.

Record
CVE-2023-3462
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
OSV 5.3

Vault's LDAP Auth Method Allows for User Enumeration

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.

Record
CVE-2023-3462
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
OSVGHSA-9v3w-w2jh-4hff 5.3

HashiCorp Vault and Vault Enterprise vulnerable to user enumeration

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.

Record
GHSA-9v3w-w2jh-4hff
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
OSVBIT-vault-2023-3462 No score

Vault's LDAP Auth Method Allows for User Enumeration

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.

Record
BIT-vault-2023-3462
Updated
2026-11-02
OSVGO-2023-1986 No score

HashiCorp Vault and Vault Enterprise vulnerable to user enumeration in github.com/hashicorp/vault

HashiCorp Vault and Vault Enterprise vulnerable to user enumeration in github.com/hashicorp/vault

Record
GO-2023-1986
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/hashicorp/vault
Go
before 1.13.5
1.13.5
github.com/hashicorp/vault
Go
1.14.0 to 1.14.0
1.14.1
vault
Bitnami
1.13.0 up to 1.13.5, 1.14.0 up to 1.14.1
1.13.51.14.1
github.com/hashicorp/vault
Go
1.14.0 up to 1.14.1
1.14.1
github.com/hashicorp/vault
Go
before 1.13.5, 1.14.0 up to 1.14.1
1.13.51.14.1

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3462 is a medium vulnerability (CVSS 5.3) in Hashicorp Vault, published July 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. Fixed in github.com/hashicorp/vault 1.13.5.

References

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