VMware · vCenter Server
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerability
What it is
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.
CISA: VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol that allows an attacker to conduct remote code execution.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: February 12, 2024
- Added to the CISA list
- January 22, 2024
- Published
- October 25, 2023
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 99.2% in the top 0.1% of all known vulnerabilities
- Weakness
- CWE-787
- More details
- NVD · CVE.org · CISA
All references (1)
More exploited flaws from VMware
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Nov 20, 2024 | Heap-Based Buffer Overflow | vCenter Server | Critical 9.8 | 55% |
| Nov 20, 2024 | Privilege Escalation | vCenter Server | High 7.5 | 17% |
| Jul 17, 2024 | Incorrect Default File Permissions Vulnerability | vCenter Server | Medium 6.5 | 13% |
| Jan 10, 2022 | Improper Access Control | vCenter Server | Medium 5.3 | 49% |
| Nov 3, 2021 | Information Disclosure | vCenter Server | Critical 9.8 | 90% |
| Nov 3, 2021 | Remote Code Execution | vCenter Server | Critical 9.8 | 99.9% |
| Nov 3, 2021 | Improper Input Validation | vCenter Server | Critical 9.8 | >99.9% |
| Nov 3, 2021 | File Upload | vCenter Server | Critical 9.8 | >99.9% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.