CVE-2019-5544: VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 98.1%, 100th percentilePublished Updated Assigner: vmware
In CISA’s Known Exploited Vulnerabilities catalog: VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
ESXi and Horizon DaaS
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- access.redhat.com/errata/RHSA-2019:4240 (opens in new tab)
- access.redhat.com/errata/RHSA-2020:0199 (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA3L… (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPXX… (opens in new tab)
- security.gentoo.org/glsa/202005-12 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/12/10/2 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/12/11/2 (opens in new tab)
- www.vmware.com/security/advisories/VMSA-2019-0022.html (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)