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Hashicorp Vault Privilege Escalation Vulnerability

Low severity GitHub Reviewed Published Oct 12, 2021 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

gomod github.com/hashicorp/vault (Go)

Affected versions

< 1.7.5
>= 1.8.0, < 1.8.4

Patched versions

1.7.5
1.8.4

Description

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.

References

Published by the National Vulnerability Database Oct 8, 2021
Reviewed Oct 11, 2021
Published to the GitHub Advisory Database Oct 12, 2021
Last updated Jan 29, 2023

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Adjacent
Attack complexity
Low
Privileges required
High
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N

EPSS score

0.054%
(24th percentile)

Weaknesses

CVE ID

CVE-2021-41802

GHSA ID

GHSA-qv95-g3gm-x542

Source code

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