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CVE Watch—

CVE-2019-5544

VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

97.3%

p100

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
97.3%EPSS · 30 days97.3%
2026-09-162026-10-14
KEV catalog record

Product

VMware / VMware ESXi and Horizon DaaS

Vulnerability

VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary description

VMware ESXi and Horizon Desktop as a Service (DaaS) OpenSLP contains a heap-based buffer overflow vulnerability that allows an attacker with network access to port 427 to overwrite the heap of the OpenSLP service to perform remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-5544

Related CVEs

No related CVEs by CWE or product.