CVE-2018-0437

HIGH

Cisco Umbrella Enterprise Roaming Client < 2.1.118 - Improper Privilege Management

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-0437. PoCs published by ParagonSec.

AI-analyzed exploit summary This exploit leverages binary planting in Cisco Umbrella Roaming Client 2.0.168 by replacing either netsh.exe or cmd.exe in the ERC directory. Upon system restart, the malicious binary executes with elevated privileges, creating an admin user.

Description

A vulnerability in the Cisco Umbrella Enterprise Roaming Client (ERC) could allow an authenticated, local attacker to elevate privileges to Administrator. To exploit the vulnerability, the attacker must authenticate with valid local user credentials. This vulnerability is due to improper implementation of file system permissions, which could allow non-administrative users to place files within restricted directories. An attacker could exploit this vulnerability by placing an executable file within the restricted directory, which when executed by the ERC client, would run with Administrator privileges.

Exploits (1)

exploitdb WORKING POC
by ParagonSec · clocalwindows_x86-64
https://www.exploit-db.com/exploits/45339

This exploit leverages binary planting in Cisco Umbrella Roaming Client 2.0.168 by replacing either netsh.exe or cmd.exe in the ERC directory. Upon system restart, the malicious binary executes with elevated privileges, creating an admin user.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Cisco Umbrella Roaming Client 2.0.168
No auth needed
Prerequisites: Write access to C:\ProgramData\OpenDNS\ERC\ · System restart
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45339/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105292

Scores

CVSS v3 7.8
EPSS 0.1295
EPSS Percentile 94.3%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-269 CWE-264
Status published
Products (3)
cisco/umbrella_enterprise_roaming_client < 2.1.118
cisco/umbrella_roaming_module 4.3\(1095\)
cisco/umbrella_roaming_module < 4.6.1098
Published Oct 05, 2018
Tracked Since Feb 18, 2026