High severity · published Aug 6, 2025
CVE-2025-6013
Vault LDAP MFA Enforcement Bypass When Using Username As Alias
8.1
CVSS
0.5%
EPSS
No
On KEV
Description
Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_alias was set to true and a user had multiple CNs that are equal but with leading or trailing spaces. Fixed in Vault Community Edition 1.20.2 and Vault Enterprise 1.20.2, 1.19.8, 1.18.13, and 1.16.24.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VA
Vault · HashiCorp
1.10.0 before 1.20.2 · source: vendor, NVD
VE
Vault Enterprise · HashiCorp
1.10.0 before 1.20.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6013
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6013
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-mfa-enforcement-bypass-when-using-username-as-alias/76092
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