CVE-2023-49114Public exploit

Local privilege escalation via DLL search-order hijacking

Published Feb 26, 2024 · Updated Feb 13, 2025

DLL search-order hijacking in Qognify VMS Client Viewer 7.1 and later allows local users to execute code with elevated privileges. VMS_Client.exe requests missing DLLs through the Windows search order and loads a planted CRYPTBASE.dll from an attacker-writable search directory. Exploitation requires low-privileged directory write access and a local administrator to start the FAT client, after which the DLL runs with elevated rights.

CVSS severity6.7
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DLL search-order hijacking in Qognify VMS Client Viewer 7.1 and later allows local users to execute code with elevated privileges. VMS_Client.exe requests missing DLLs through the Windows search order and loads a planted CRYPTBASE.dll from an attacker-writable search directory. Exploitation requires low-privileged directory write access and a local administrator to start the FAT client, after which the DLL runs with elevated rights.

The record

CVE
CVE-2023-49114
Published
Feb 26, 2024
Updated
Feb 13, 2025
Vendor
Qognify
Product
Qognify VMS Client Viewer
Classifications
CWE-427, CAPEC-233, T1574.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=7.1
  2. Affected versionversion=>=7.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qognify · Qognify VMS Client Viewerversion=0 <=7.1; version=>=7.1

Published CVSS scores

6.7CISA-ADPCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-427Uncontrolled Search Path Element
CAPEC-233Privilege Escalation
T1574.001Hijack Execution Flow: DLL

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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