CVE-2021-43458

HIGH

Vembu BDR 4.2.0.1 - Unquoted Service Path

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-43458. PoCs published by Mohammed Alshehri.

AI-analyzed exploit summary This exploit describes an unquoted service path vulnerability in Vembu BDR 4.2.0.1 U1, where services with unquoted paths could allow local privilege escalation by executing arbitrary code during system startup or reboot.

Description

An Unquoted Service Path vulnerability exits in Vembu BDR 4.2.0.1 via a specially crafted file in the (1) hsflowd, (2) VembuBDR360Agent, or (3) VembuOffice365Agent service paths.

Exploits (1)

exploitdb WRITEUP
by Mohammed Alshehri · textlocalwindows
https://www.exploit-db.com/exploits/49641

This exploit describes an unquoted service path vulnerability in Vembu BDR 4.2.0.1 U1, where services with unquoted paths could allow local privilege escalation by executing arbitrary code during system startup or reboot.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Vembu BDR 4.2.0.1 U1
Auth required
Prerequisites: Local access to the system · Ability to write to the file system in the service path
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/M507/Miner
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49641
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/198151

Scores

CVSS v3 7.8
EPSS 0.0045
EPSS Percentile 35.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-428
Status published
Products (1)
vembu/bdr_suite 4.2.0.1 update1
Published Apr 04, 2022
Tracked Since Feb 18, 2026