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CVE-2019-5544

Published: Dec 6, 2019Updated: Oct 30, 2025 Sources: CVE List NVD BDUCWE-787
9.8CRITICAL
NVD MITRE
EPSS Score
96.8%
Top 0.1%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Red Hat Inc.
commercial·USaka redhat, red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
enterprise linux for ibm z systemsOn-prem
Operating Systems / linux-distro
enterprise linux for ibm z systems eusOn-prem
Operating Systems / linux-distro
enterprise linux for power big endianOn-prem
Operating Systems / linux-distro
enterprise linux for power big endian eusOn-prem
Operating Systems / linux-distro
enterprise linux for power little endianOn-prem
Operating Systems / linux-distro
enterprise linux for power little endian eusOn-prem
Operating Systems / linux-distro
vmware
commercial·USaka vmware inc
horizon daasSaaSSaaS Service
Cloud & SaaS / saas-application
esxiOn-premWeb App
Cloud & SaaS / virtualization
Broadcom Inc.
commercial·USaka vmware by broadcom
VMware ESXiOn-prem
Cloud & SaaS / virtualization
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
Omnissa
commercial·USaka omnissa workspace one access connector, omnissa horizon client, workspace one access
Omnissa Horizon DaaSSaaSSaaS Service
Cloud & SaaS / saas-application
Сообщество свободного программного обеспечения
oss-projectaka fsf
OpenSLPOn-prem
Networking Infrastructure / network-management
and 9 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

Official Patch Available
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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

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.vmware.com/security/advisories/VMSA-2019-0022.html
vmware.com
http://www.openwall.com/lists/oss-security/2019/12/10/2
openwall.com
http://www.openwall.com/lists/oss-security/2019/12/11/2
openwall.com
and 10 more references View all →

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