CVE-2020-10660

HashiCorp Vault Improper Privilege Management

5.3 MediumFix available

HashiCorp Vault and Vault Enterprise versions 0.9.0 through 1.3.3 may, under certain circumstances, have an Entity's Group membership inadvertently include Groups the Entity no longer has permissions to. Fixed in 1.3.4.

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: None
Integrity: Low
Availability: None

Exploit likelihood

0.76%Up 0.1 points since Apr 14, 2021

What each source reports

NVD Score used 5.3

Record: CVE-2020-10660
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-276
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-10660
Updated: 2026-11-02

EUVDEUVD-2024-0384 No score

Record: EUVD-2024-0384
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m979-w9wj-qfj9 6.9

HashiCorp Vault Improper Privilege Management

Record: GHSA-m979-w9wj-qfj9
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-269
Updated: 2026-11-02

OSV 5.3

Record: CVE-2020-10660
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVGHSA-m979-w9wj-qfj9 6.9

HashiCorp Vault Improper Privilege Management

Record: GHSA-m979-w9wj-qfj9
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-269
Updated: 2026-11-02

OSVBIT-vault-2020-10660 No score

Record: BIT-vault-2020-10660
Updated: 2026-11-02

OSVGO-2024-2486 No score

HashiCorp Vault Improper Privilege Management in github.com/hashicorp/vault

HashiCorp Vault Improper Privilege Management in github.com/hashicorp/vault

Record: GO-2024-2486
Updated: 2026-11-02

Affected products

hashicorp vault

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/hashicorp/vault` Go	0.9.0 up to 1.3.4	1.3.4
`vault` Bitnami	0.9.0 up to 1.3.4	1.3.4

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-10660 is a medium vulnerability (CVSS 5.3) in Hashicorp Vault, published March 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. Fixed in github.com/hashicorp/vault 1.3.4.