CVE-2022-25243

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-10 · updated 2026-06-17
Weakness: CWE-295

Description

"Vault and Vault Enterprise 1.8.0 through 1.8.8, and 1.9.3 allowed the PKI secrets engine under certain configurations to issue wildcard certificates to authorized users for a specified domain, even if the PKI role policy attribute allow_subdomains is set to false. Fixed in Vault Enterprise 1.8.9 and 1.9.4.

Affected products

HashiCorp Vault: from 1.8.0 before 1.8.9; from 1.9.0 before 1.9.4 — fixed in 1.8.9, 1.9.4

How to fix

Upgrade to a fixed version: HashiCorp Vault 1.8.9, 1.9.4. Check the vendor advisory for mitigations.

References

https://discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2022-09-vault-pki-secrets-engine-policy-results-in-incorrect-wildcard-certificate-issuance/36600
https://security.gentoo.org/glsa/202207-01
https://discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2022-09-vault-pki-secrets-engine-policy-results-in-incorrect-wildcard-certificate-issuance/36600
https://security.gentoo.org/glsa/202207-01

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