CVE-2021-21988

Published: May 24, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-125

6.5MEDIUM

NVD MITRE

Description

VMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2) contain out-of-bounds read vulnerability in the Cortado ThinPrint component (JPEG2000 Parser). A malicious actor with access to a virtual machine or remote desktop may be able to exploit these issues leading to information disclosure from the TPView process running on the system where Workstation or Horizon Client for Windows is installed.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

vmware

commercial·USaka vmware inc

workstationOn-premDesktop App

Cloud & SaaS / virtualization

horizon clientDesktop App

Cloud & SaaS / saas-application

Omnissa

commercial·USaka omnissa horizon client, omnissa workspace one access connector, workspace one access

Omnissa Horizon ClientSaaSSaaS Service

Cloud & SaaS / saas-application

Broadcom Inc.

commercial·USaka vmware by broadcom

VMWare WorkstationOn-premDesktop App

Cloud & SaaS / virtualization

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2021-21988?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique

Collection

View detailed technique mapping

References

https://www.vmware.com/security/advisories/VMSA-2021-0009.html

vmware.com

https://www.zerodayinitiative.com/advisories/ZDI-21-609/

zerodayinitiative.com

https://www.vmware.com/security/advisories/VMSA-2021-0009.html

vmware.com

and 2 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-21988 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows