VMware vCenter Server Out-of-Bounds Write Vulnerability
Priority CRITICAL 100Exploited in the wildCWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2024-01-22CISA due date 2024-02-12
EPSS 0.99234 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed VMware vCenter Server (VMware): 8.0U2, 7.0U3o
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | VMware vCenter Server | 8.0 to before 8.0U2; 7.0 to before 7.0U3o | 8.0U2, 7.0U3o | Patch available | CNA |
| VMware | VMware Cloud Foundation (VMware vCenter Server) | 5.x; 4.x | — | No fix listed | CNA |
- VMware vCenter Server VendorVMware Affected 8.0 to before 8.0U2; 7.0 to before 7.0U3o Fixed in 8.0U2, 7.0U3o Patch available CNA
- VMware Cloud Foundation (VMware vCenter Server) VendorVMware Affected 5.x; 4.x Fixed in — No fix listed CNA
CPE configurations NVD · 37
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* | 4.0 – 5.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* | 7.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:* | 7.0 a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:* | 7.0 b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:* | 7.0 c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:* | 7.0 d | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:* | 7.0 update1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:* | 7.0 update1a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:* | 7.0 update1c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:* | 7.0 update1d | Vulnerable | VMware |
- cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* Versions 4.0 – 5.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* Versions 7.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:* Versions 7.0 a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:* Versions 7.0 b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:* Versions 7.0 c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:* Versions 7.0 d Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:* Versions 7.0 update1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:* Versions 7.0 update1a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:* Versions 7.0 update1c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:* Versions 7.0 update1d Vulnerable ·VMware
Show 27 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:* | 7.0 update2 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:* | 7.0 update2a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update2b:*:*:*:*:*:* | 7.0 update2b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update2c:*:*:*:*:*:* | 7.0 update2c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update2d:*:*:*:*:*:* | 7.0 update2d | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3:*:*:*:*:*:* | 7.0 update3 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3a:*:*:*:*:*:* | 7.0 update3a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3c:*:*:*:*:*:* | 7.0 update3c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3d:*:*:*:*:*:* | 7.0 update3d | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3e:*:*:*:*:*:* | 7.0 update3e | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3f:*:*:*:*:*:* | 7.0 update3f | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3g:*:*:*:*:*:* | 7.0 update3g | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3h:*:*:*:*:*:* | 7.0 update3h | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3i:*:*:*:*:*:* | 7.0 update3i | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3j:*:*:*:*:*:* | 7.0 update3j | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3k:*:*:*:*:*:* | 7.0 update3k | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3l:*:*:*:*:*:* | 7.0 update3l | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3m:*:*:*:*:*:* | 7.0 update3m | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:update3n:*:*:*:*:*:* | 7.0 update3n | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:* | 8.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:* | 8.0 a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:* | 8.0 b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:* | 8.0 c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:* | 8.0 update1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:* | 8.0 update1a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:* | 8.0 update1b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:* | 8.0 update1c | Vulnerable | VMware |
- cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:* Versions 7.0 update2 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:* Versions 7.0 update2a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update2b:*:*:*:*:*:* Versions 7.0 update2b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update2c:*:*:*:*:*:* Versions 7.0 update2c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update2d:*:*:*:*:*:* Versions 7.0 update2d Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3:*:*:*:*:*:* Versions 7.0 update3 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3a:*:*:*:*:*:* Versions 7.0 update3a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3c:*:*:*:*:*:* Versions 7.0 update3c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3d:*:*:*:*:*:* Versions 7.0 update3d Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3e:*:*:*:*:*:* Versions 7.0 update3e Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3f:*:*:*:*:*:* Versions 7.0 update3f Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3g:*:*:*:*:*:* Versions 7.0 update3g Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3h:*:*:*:*:*:* Versions 7.0 update3h Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3i:*:*:*:*:*:* Versions 7.0 update3i Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3j:*:*:*:*:*:* Versions 7.0 update3j Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3k:*:*:*:*:*:* Versions 7.0 update3k Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3l:*:*:*:*:*:* Versions 7.0 update3l Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3m:*:*:*:*:*:* Versions 7.0 update3m Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:update3n:*:*:*:*:*:* Versions 7.0 update3n Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:* Versions 8.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:* Versions 8.0 a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:* Versions 8.0 b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:* Versions 8.0 c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:* Versions 8.0 update1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:* Versions 8.0 update1a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:* Versions 8.0 update1b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:* Versions 8.0 update1c Vulnerable ·VMware
Remediation
- Fix · CNA VMware vCenter Server (VMware) Fixed in 8.0U2, 7.0U3o
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
VMware vCenter Server 7.0U3o, 8.0U2
2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 LOW
Other records, highest priority first
- TI-2023-16922 VMware vCenter Server Partial Information Disclosure VulnerabilityPriority LOW 21
Timeline
- 2024-01-22 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2023-34048
- 2026-10-03 Alias added: GHSA-87j2-5g9j-7jmv
References
More VMware Vcenter Server vulnerabilities
- TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05029 Improper input validation in VMware vCenter Server and VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-34048 · CVE Program
- CVE-2023-34048 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-87j2-5g9j-7jmv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences