Rooms
CVE-2021-34411
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A local attacker with access to the system could escalate privileges to gain unauthorized elevated access. |
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Alert meAnalysisAI
During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation. Affected products include: Zoom Rooms. Version information: version 5.3.0.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
Affected Products (CPE)NVD
Improper input validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Wind
Untrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of
Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via netwo
Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow
The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before ver
Buffer overflow in some Zoom Apps may allow an authenticated user to conduct an escalation of privilege via network acce
Buffer overflow in some Zoom Workplace Apps and Rooms Clients may allow an authenticated user to conduct an escalation o
Exposure of sensitive information in Zoom Client SDK's before 5.15.5 may allow an authenticated user to enable a denial
Local privilege escalation in Zoom Rooms for Windows before 6.6.0 allows an attacker with local access and low-level pri
Local privilege escalation in Zoom Rooms for Windows before version 7.1.0 allows an authenticated low-privileged user to
Zoom Client for Windows contains a privilege escalation vulnerability that allows authenticated local users to gain elev
Improper input validation in the installer for some Zoom Apps for Windows may allow an authenticated user to conduct a p
GitHub PoC
Exploit-DB