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CVE-2021-27668

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR...

5.3 MediumFix available

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

1.04%Up 0.6 points since Sep 1, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
CVE-2021-27668
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-306
Updated
2026-11-02
CVE List No score

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
CVE-2021-27668
Updated
2026-11-02
EUVDEUVD-2021-14414 No score

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
EUVD-2021-14414
Updated
2026-11-03
GitHub AdvisoriesGHSA-mfpx-cx7p-6jc6 5.3

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR...

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
GHSA-mfpx-cx7p-6jc6
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-287, CWE-306
Updated
2026-11-02
OSVALPINE-CVE-2021-27668 5.3

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
ALPINE-CVE-2021-27668
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
OSV 5.3

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
CVE-2021-27668
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVBIT-vault-2021-27668 No score

HashiCorp Vault Enterprise 0.9.2 through 1.6.2 allowed the read of license metadata from DR secondaries without authentication. Fixed in 1.6.3.

Record
BIT-vault-2021-27668
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
vault
Alpine:v3.13
0.9.2 up to 1.5.8-r0
1.5.8-r0
vault
Alpine:v3.14
0.9.2 up to 1.7.1-r0
1.7.1-r0
vault
Alpine:v3.15
0.9.2 up to 1.7.1-r0
1.7.1-r0
vault
Alpine:v3.16
0.9.2 up to 1.7.1-r0
1.7.1-r0
vault
Alpine:v3.17
0.9.2 up to 1.7.1-r0
1.7.1-r0
vault
Alpine:v3.18
0.9.2 up to 1.7.1-r0
1.7.1-r0
vault
Bitnami
0.9.2 up to 1.6.3
1.6.3

History

History
RecordedChangedSources
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-27668 is a medium vulnerability (CVSS 5.3) in Hashicorp Vault, published August 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in vault 1.5.8-r0.

References

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