CVE-2021-30476

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-04-22 · updated 2026-06-17

Description

HashiCorp Terraform’s Vault Provider (terraform-provider-vault) did not correctly configure GCE-type bound labels for Vault’s GCP auth method. Fixed in 2.19.1.

Affected products

HashiCorp Terraform Provider: before 2.19.1 — fixed in 2.19.1

How to fix

Upgrade to a fixed version: HashiCorp Terraform Provider 2.19.1. Check the vendor advisory for mitigations.

References

https://discuss.hashicorp.com/t/hcsec-2021-11-terraform-s-vault-provider-did-not-correctly-configure-bound-labels-for-gcp-auth/23464/2
https://github.com/hashicorp/terraform-provider-vault/issues/996
https://discuss.hashicorp.com/t/hcsec-2021-11-terraform-s-vault-provider-did-not-correctly-configure-bound-labels-for-gcp-auth/23464/2
https://github.com/hashicorp/terraform-provider-vault/issues/996

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