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CVE-2017-7642

CWE-426Published: August 2, 2017· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

The sudo helper in the HashiCorp Vagrant VMware Fusion plugin (aka vagrant-vmware-fusion) before 4.0.21 allows local users to gain root privileges by leveraging failure to verify the path to the encoded ruby script or scrub the PATH variable.

Technical Analysis

CVE-2017-7642 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-2017-7642. 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 vmware fusion

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://seclists.org/fulldisclosure/2017/Jul/29

ADVISORYhttps://github.com/hashicorp/vagrant-plugin-changelog/blob/master/vagrant-vmware-changelog.md

ADVISORYhttps://m4.rkw.io/blog/cve20177642-local-root-privesc-in-hashicorp-vagrantvmwarefusion--4020.html

ADVISORYhttps://www.exploit-db.com/exploits/42334/

ADVISORYhttp://seclists.org/fulldisclosure/2017/Jul/29

ADVISORYhttps://github.com/hashicorp/vagrant-plugin-changelog/blob/master/vagrant-vmware-changelog.md

ADVISORYhttps://m4.rkw.io/blog/cve20177642-local-root-privesc-in-hashicorp-vagrantvmwarefusion--4020.html

ADVISORYhttps://www.exploit-db.com/exploits/42334/

All References (8)

→

http://seclists.org/fulldisclosure/2017/Jul/29Exploit · Mailing List · Third Party Advisory

→

https://github.com/hashicorp/vagrant-plugin-changelog/blob/master/vagrant-vmware-changelog.mdRelease Notes · Third Party Advisory

→

https://m4.rkw.io/blog/cve20177642-local-root-privesc-in-hashicorp-vagrantvmwarefusion--4020.htmlExploit · Third Party Advisory

→

https://www.exploit-db.com/exploits/42334/Third Party Advisory · VDB Entry

→

http://seclists.org/fulldisclosure/2017/Jul/29Exploit · Mailing List · Third Party Advisory

→

https://github.com/hashicorp/vagrant-plugin-changelog/blob/master/vagrant-vmware-changelog.mdRelease Notes · Third Party Advisory

→

https://m4.rkw.io/blog/cve20177642-local-root-privesc-in-hashicorp-vagrantvmwarefusion--4020.htmlExploit · Third Party Advisory

→

https://www.exploit-db.com/exploits/42334/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2017-7642

CVSS Score7.8 / 10

SeverityHIGH

WeaknessCWE-426

CISA KEVNo

ExploitPOC

Affected1 vendor(s)

PublishedAug 2, 2017

Related CVEs (CWE-426)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2017-7642 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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