Vagrant’s Windows Installer Allowed Directory Junction Write

published 2023-10-27 3 y ago modified 2026-06-17 4 mo ago also GHSA-47xw-vw6m-w9fq , EUVD-2023-2640

cvss: 3.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

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.

Patch / fix

fixed in 2

go github.com/hashicorp/vagrant 2.4.0
HashiCorp Vagrant 2.4.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-09)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	3.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
go	github.com/hashicorp/vagrant	<2.4.0	2.4.0

Affected products

HashiCorp Vagrant

Classification

Weakness

CWE-1386 Insecure Operation on Windows Junction / Mount Point
CWE-59 Improper Link Resolution Before File Access

References

discuss.hashicorp.com /t/hcsec-2023-31-vagrant-s-windows-installer-allowed-directory-junction-write/59568
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2023-5834
advisory
github.com /hashicorp/vagrant
package

Sources

CVE List CVE-2023-5834
GitHub Advisory GHSA-47xw-vw6m-w9fq
NVD CVE-2023-5834

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary