CVE-2019-15742

HIGH

Poly Plantronics Hub <3.14 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2019-15742. PoCs published by Metasploit, Markus Krell, bcoles, including Metasploit module exploits/windows/local/plantronics_hub_spokesupdateservice_privesc.

AI-analyzed exploit summary This Metasploit module exploits a privilege escalation vulnerability in Plantronics Hub's SpokesUpdateService by writing a malicious executable path to a writable configuration file, which is then executed as SYSTEM.

Description

A local privilege-escalation vulnerability exists in the Poly Plantronics Hub before 3.14 for Windows client application. A local attacker can exploit this issue to gain elevated privileges.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubylocalwindows
https://www.exploit-db.com/exploits/47944

This Metasploit module exploits a privilege escalation vulnerability in Plantronics Hub's SpokesUpdateService by writing a malicious executable path to a writable configuration file, which is then executed as SYSTEM.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Plantronics Hub version 3.13.2
No auth needed
Prerequisites: Plantronics Hub installed · SpokesUpdateService running · Write access to MajorUpgrade.config
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by Markus Krell, bcoles · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/plantronics_hub_spokesupdateservice_privesc.rb

This Metasploit module exploits a privilege escalation vulnerability in Plantronics Hub's SpokesUpdateService by writing a malicious executable path to the writable MajorUpgrade.config file, which is executed as SYSTEM. The exploit generates a payload, writes it to a temporary directory, and modifies the configuration file to trigger execution.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Plantronics Hub version 3.13.2
No auth needed
Prerequisites: Plantronics Hub installed · SpokesUpdateService running · Write access to MajorUpgrade.config
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0876
EPSS Percentile 92.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
plantronics/plantronics_hub < 3.14
Published Jan 17, 2020
Tracked Since Feb 18, 2026