Critical severity · published Jun 22, 2023
CVE-2023-20892
The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network…
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
vCenter Server · VMware
before 7.0; 7.0; 7.0; 7.0; 7.0; 7.0; +27 more · source: NVD
Affected product
VS
vCenter Server
VMware
More from vCenter Server
9.8
CVE-2026-59310
vCenter directory-traversal vulnerability
9.8
CVE-2024-38813
Privilege escalation vulnerability
9.8
CVE-2024-38812
Heap-overflow vulnerability
9.8
CVE-2024-37079
Broadcom VMware vCenter Server Out-of-bounds Write Vulnerability
9.8
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerability