CVE-2020-25816 — Token leases could outlive their TTL in...

CRITICAL

Token leases could outlive their TTL in HashiCorp Vault

Published May 24, 2022Updated February 3, 2026Source: osv

Summary

HashiCorp Vault and Vault Enterprise 1.0 before 1.5.4 have Incorrect Access Control.

Advisory Timeline

First published May 24, 2022 (1602 days ago).
Last revised February 3, 2026 — 1350 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Update github.com/hashicorp/vault to 1.5.4 or later

go get github.com/hashicorp/vault@v1.5.4

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: go (1).

Package	Ecosystem	Affected	Fixed In
github.com/hashicorp/vault	go	All versions	1.5.4

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-613
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2020-25816?: Token leases could outlive their TTL in HashiCorp Vault This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2020-25816?: CVE-2020-25816 affects github.com/hashicorp/vault. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-25816 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-57gg-cj55-q5g2

BIT-vault-2020-25816

GO-2024-2514

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