HOMEVULNERABILITIESCVE-2017-16777
HIGHPOC

CVE-2017-16777

CWE-427Published: November 16, 2017· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-16777 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-16777. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

hashicorp1 product(s)
vagrant
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwarefusion-503.html
ADVISORYhttps://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwarefusion-503.html

All References (4)

→
https://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwarefusion-503.htmlExploit · Issue Tracking · Third Party Advisory
→
https://www.exploit-db.com/exploits/43219/
→
https://m4.rkw.io/blog/cve201716777-local-root-privesc-in-hashicorp-vagrantvmwarefusion-503.htmlExploit · Issue Tracking · Third Party Advisory
→
https://www.exploit-db.com/exploits/43219/

Quick Facts

CVE IDCVE-2017-16777
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-427
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedNov 16, 2017

Related CVEs (CWE-427)

CVE-2025-4981
9.9
CVE-2023-25143
9.8
CVE-2023-31543
9.8
CVE-2022-34825
9.8
CVE-2017-3090
9.8
CVE-2017-3092
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-16777 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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