What’s Vulnerable › Vulnerabilities

CVE-2023-5834: Vagrant’s Windows Installer Allowed Directory Junction Write

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-27 · updated 2026-06-17
• Weakness: CWE-1386

Description

HashiCorp Vagrant's Windows installer targeted a custom location with a non-protected path that could be junctioned, introducing potential for unauthorized file system writes. Fixed in Vagrant 2.4.0.

Affected products

• HashiCorp Vagrant: before 2.4.0 — fixed in 2.4.0

How to fix

Upgrade to a fixed version: HashiCorp Vagrant 2.4.0. Check the vendor advisory for mitigations.

References

• https://discuss.hashicorp.com/t/hcsec-2023-31-vagrant-s-windows-installer-allowed-directory-junction-write/59568
• https://discuss.hashicorp.com/t/hcsec-2023-31-vagrant-s-windows-installer-allowed-directory-junction-write/59568

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