CVE-2023-34048
criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.992 · 100 %ileDEEURUUSadded 2024-01-22remediate by 2024-02-12
required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS · scored 2026-10-26
VMware vCenter Server Out-of-Bounds Write Vulnerability
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
ATT&CK techniques
ATT&CK techniques this enables or maps to.
affected products (11)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-2740VMware vCenter Server: Mehrere SchwachstellenDeutsch2023-10-24csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in VMware vCenter Server ausnutzen, um beliebigen Code auszuführen oder vertrauliche Informationen offenzulegen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-34048/cnnvd
- https://vigilance.fr/vulnerability/VMware-vCenter-Server-two-vulnerabilities-42704cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.6204cnnvd
- https://www.vmware.com/security/advisories/VMSA-2023-0023.htmlcnnvd
- https://www.vmware.com/security/advisories/VMSA-2023-0023.htmlenisa_euvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048US Government Resourcenvd
- https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-serverExploitThird Party Advisorynvd
- https://www.vmware.com/security/advisories/VMSA-2023-0023.htmlVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan