Critical severity · published Oct 25, 2023
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerability
In wildKEV
9.8
CVSS
99.2%
EPSS
Yes
On KEV
Description
vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.
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)99.2% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Jan 22, 2024
Federal remediation dueFeb 12, 2024
Ransomware campaign useNot known
Affected products
Which versions
VS
vCenter Server · VMware
8.0 before 8.0U2; 7.0 before 7.0U3o · source: vendor, NVD, CISA, KEV
VC
VMware Cloud Foundation (VMware vCenter Server) · VMware
5.x; 4.x · source: vendor
CF
Cloud Foundation · Vmware
4.0 before KB88287; 5.0 before KB88287 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-34048
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-34048
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
www.vmware.com
https://www.vmware.com/security/advisories/VMSA-2023-0023.html
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