CVE-2021-42135
Incorrect Privilege Assignment in HashiCorp Vault
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
CVE-2021-42135- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 4.9 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
CVE-2021-42135- Updated
- 2026-11-02
EUVDEUVD-2021-2145 No score
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
EUVD-2021-2145- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-362v-wg5p-64w2
Incorrect Privilege Assignment in HashiCorp Vault
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
GHSA-362v-wg5p-64w2- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-266, CWE-863
- Updated
- 2026-11-02
OSV
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
CVE-2021-42135- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-362v-wg5p-64w2
Incorrect Privilege Assignment in HashiCorp Vault
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
GHSA-362v-wg5p-64w2- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-266, CWE-863
- Updated
- 2026-11-02
OSVBIT-vault-2021-42135 No score
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
- Record
BIT-vault-2021-42135- Updated
- 2026-11-02
OSVGO-2022-0578 No score
Incorrect Privilege Assignment in HashiCorp Vault in github.com/hashicorp/vault
Incorrect Privilege Assignment in HashiCorp Vault in github.com/hashicorp/vault
- Record
GO-2022-0578- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/vaultGo |
1.8.0 to 1.8.4 | None known |
vaultBitnami |
1.8.0 up to 1.8.5 | 1.8.5 |
github.com/hashicorp/vaultGo |
1.8.0 up to 1.8.5 | 1.8.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42135 is a high vulnerability (CVSS 8.1) in Hashicorp Vault, published October 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. Fixed in vault 1.8.5.
References
discuss.hashicorp.com/t/hcsec-2021-28-vaults-google-cloud-secrets-engine-policies-with-globs-may-provide-additional-privileges-in-vault-1-8-0-onwards
nvd.nist.gov/vuln/detail/CVE-2021-42135
github.com/hashicorp/vault/blob/main/CHANGELOG.md