CVE-2021-41802
Hashicorp Vault Privilege Escalation Vulnerability
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
2.9
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
CVE-2021-41802- CVSS 3.1
- 2.9 Low
CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R - Updated
- 2026-11-02
EUVDEUVD-2021-2251
2.9
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
EUVD-2021-2251- CVSS 3.1
- 2.9 Low
CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qv95-g3gm-x542
2.9
Hashicorp Vault Privilege Escalation Vulnerability
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
GHSA-qv95-g3gm-x542- CVSS 3.1
- 2.9 Low
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - Weakness
- CWE-269, CWE-732
- Updated
- 2026-11-02
NVD
2.9
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
CVE-2021-41802- CVSS 3.1
- 2.9 Low
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
OSV
5.4
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
CVE-2021-41802- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-qv95-g3gm-x542
2.9
Hashicorp Vault Privilege Escalation Vulnerability
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
GHSA-qv95-g3gm-x542- CVSS 3.1
- 2.9 Low
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - Weakness
- CWE-269, CWE-732
- Updated
- 2026-11-02
OSVBIT-vault-2021-41802 No score
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
- Record
BIT-vault-2021-41802- Updated
- 2026-11-02
OSVGO-2022-0618 No score
Hashicorp Vault Privilege Escalation Vulnerability in github.com/hashicorp/vault
Hashicorp Vault Privilege Escalation Vulnerability in github.com/hashicorp/vault
- Record
GO-2022-0618- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/vaultGo |
before 1.7.5 | 1.7.5 |
github.com/hashicorp/vaultGo |
1.8.0 up to 1.8.4 | 1.8.4 |
vaultBitnami |
before 1.7.5, 1.8.0 up to 1.8.4 | 1.7.51.8.4 |
github.com/hashicorp/vaultGo |
before 1.7.5, 1.8.0 up to 1.8.4 | 1.7.51.8.4 |
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-2021-41802 is a low vulnerability (CVSS 2.9) in Hashicorp Vault, published October 8, 2021. 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 1.7.5.