CRITICAL CISA KEV

CVE-2019-5544

CVSS v3

9.8

CRITICAL

EPSS Score

92.7%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Known

Technical details

Published
12/6/2019

Frequently asked questions

What is CVE-2019-5544?

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

Is CVE-2019-5544 actively exploited?

Yes. CVE-2019-5544 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

What is the CVSS score for CVE-2019-5544?

CVE-2019-5544 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-5544 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IPSearch CVEs

Other 2019 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database