CVE-2017-16777 — If HashiCorp Vagrant VMware Fusion plugin (aka vagrant-vmware-fusion) 5

If HashiCorp Vagrant VMware Fusion plugin (aka vagrant-vmware-fusion) 5.0.3 is installed but VMware Fusion is not, a local attacker can create a fake application directory and exploit the suid sudo helper in order to escalate to root.

01What is this vulnerability?

If HashiCorp Vagrant VMware Fusion plugin (aka vagrant-vmware-fusion) 5.0.3 is installed but VMware Fusion is not, a local attacker can create a fake application directory and exploit the suid sudo helper in order to escalate to root.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-11-16T15:29:00.477
• Last modified: 2026-05-13T00:24:29.033

09References

• m4.rkw.io — https://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwar…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43219/
• m4.rkw.io — https://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwar…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43219/