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
- 2021-11-03
- Patch Due Date
- 2022-05-03
- Ransomware Use
- Known
Technical details
- Published
- 2019-12-06
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 2022-05-03.
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?
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