Skip to main content

Zoom CVE-2023-43590

HIGH
Improper Link Resolution Before File Access (CWE-59)
2023-11-15 security@zoom.us
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Symlink resolution safety
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Link following in Zoom Rooms for macOS before version 5.16.0 may allow an authenticated user to conduct an escalation of privilege via local access. 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 vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 under CWE-59. Link following in Zoom Rooms for macOS before version 5.16.0 may allow an authenticated user to conduct an escalation of privilege via local access. Affected products include: Zoom Rooms. Version information: version 5.16.0.

Know when Zoom gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.8 HIGH
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

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Link following in Zoom Rooms for macOS before version 5.16.0 may allow an authenticated user to conduct an escalation of privilege via local access.

Threat Intelligence Overview

EPSS Score
0.2%
Top 88% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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

cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:*

More in Zoom

View all
CVE-2017-15049 HIGH POC
8.8 Dec 19

The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not properly sanitize user input when c

CVE-2017-15048 HIGH POC
8.8 Dec 19

Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 allows remote

CVE-2020-6109 CRITICAL POC
9.8 Jun 08

An exploitable path traversal vulnerability exists in the Zoom client, version 4.6.10 processes messages including anima

CVE-2018-15715 CRITICAL POC
9.8 Nov 30

Zoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0

CVE-2021-30480 HIGH POC
8.8 Apr 09

Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary cod

CVE-2020-6110 HIGH POC
8.8 Jun 08

An exploitable partial path traversal vulnerability exists in the way Zoom Client version 4.6.10 processes messages incl

CVE-2019-13567 HIGH POC
8.8 Jul 12

The Zoom Client before 4.4.53932.0709 on macOS allows remote code execution, a different vulnerability than CVE-2019-134

CVE-2020-11469 HIGH POC
7.8 Apr 01

Zoom Client for Meetings through 4.6.8 on macOS copies runwithroot to a user-writable temporary directory during install

CVE-2026-1368 HIGH POC
7.5 Feb 18

Video Conferencing with Zoom WordPre versions up to 4.6.6 is affected by improper authentication (CVSS 7.5).

CVE-2020-11877 HIGH POC
7.5 Apr 17

airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC e

CVE-2020-11876 HIGH POC
7.5 Apr 17

airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of a

CVE-2020-11500 HIGH POC
7.5 Apr 03

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Rated high severity (CVS

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy