CVE-2023-20896
First published: Thu Jun 22 2023(Updated: )
The VMware vCenter Server contains an out-of-bounds read vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds read by sending a specially crafted packet leading to denial-of-service of certain services (vmcad, vmdird, and vmafdd).
Credit: security@vmware.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| VMware vCenter Server | >=4.0<7.0 | |
| VMware vCenter Server | =7.0 | |
| VMware vCenter Server | =7.0-a | |
| VMware vCenter Server | =7.0-b | |
| VMware vCenter Server | =7.0-c | |
| VMware vCenter Server | =7.0-d | |
| VMware vCenter Server | =7.0-update1 | |
| VMware vCenter Server | =7.0-update1a | |
| VMware vCenter Server | =7.0-update1c | |
| VMware vCenter Server | =7.0-update1d | |
| VMware vCenter Server | =7.0-update2 | |
| VMware vCenter Server | =7.0-update2a | |
| VMware vCenter Server | =7.0-update2b | |
| VMware vCenter Server | =7.0-update2c | |
| VMware vCenter Server | =7.0-update2d | |
| VMware vCenter Server | =7.0-update3 | |
| VMware vCenter Server | =7.0-update3a | |
| VMware vCenter Server | =7.0-update3c | |
| VMware vCenter Server | =7.0-update3d | |
| VMware vCenter Server | =7.0-update3e | |
| VMware vCenter Server | =7.0-update3f | |
| VMware vCenter Server | =7.0-update3g | |
| VMware vCenter Server | =7.0-update3h | |
| VMware vCenter Server | =7.0-update3i | |
| VMware vCenter Server | =7.0-update3j | |
| VMware vCenter Server | =7.0-update3k | |
| VMware vCenter Server | =7.0-update3l | |
| VMware vCenter Server | =8.0 | |
| VMware vCenter Server | =8.0-a | |
| VMware vCenter Server | =8.0-b | |
| VMware vCenter Server | =8.0-c | |
| VMware vCenter Server | =8.0-update1 | |
| VMware vCenter Server | =8.0-update1a |
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Reference Links
Frequently Asked Questions
What is CVE-2023-20896?
CVE-2023-20896 is an out-of-bounds read vulnerability in the implementation of the DCERPC protocol in VMware vCenter Server.
What is the severity of CVE-2023-20896?
The severity of CVE-2023-20896 is high with a CVSS score of 7.5.
How can a malicious actor exploit CVE-2023-20896?
A malicious actor with network access to vCenter Server can trigger an out-of-bounds read by sending a specially crafted packet, leading to denial-of-service of certain services.
Which versions of VMware vCenter Server are affected by CVE-2023-20896?
VMware vCenter Server versions 4.0 to 7.0 are affected by CVE-2023-20896.
How can I fix CVE-2023-20896?
VMware has released security advisories with patches addressing CVE-2023-20896. It is recommended to apply the necessary patches or updates to mitigate the vulnerability.
- collector/nvd-index
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/description
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/remedy
- agent/tags
- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- vendor/vmware
- canonical/vmware vcenter server
- version/vmware vcenter server/4.0
- version/vmware vcenter server/7.0
- version/vmware vcenter server/7.0-a
- version/vmware vcenter server/7.0-b
- version/vmware vcenter server/7.0-c
- version/vmware vcenter server/7.0-d
- version/vmware vcenter server/7.0-update1
- version/vmware vcenter server/7.0-update1a
- version/vmware vcenter server/7.0-update1c
- version/vmware vcenter server/7.0-update1d
- version/vmware vcenter server/7.0-update2
- version/vmware vcenter server/7.0-update2a
- version/vmware vcenter server/7.0-update2b
- version/vmware vcenter server/7.0-update2c
- version/vmware vcenter server/7.0-update2d
- version/vmware vcenter server/7.0-update3
- version/vmware vcenter server/7.0-update3a
- version/vmware vcenter server/7.0-update3c
- version/vmware vcenter server/7.0-update3d
- version/vmware vcenter server/7.0-update3e
- version/vmware vcenter server/7.0-update3f
- version/vmware vcenter server/7.0-update3g
- version/vmware vcenter server/7.0-update3h
- version/vmware vcenter server/7.0-update3i
- version/vmware vcenter server/7.0-update3j
- version/vmware vcenter server/7.0-update3k
- version/vmware vcenter server/7.0-update3l
- version/vmware vcenter server/8.0
- version/vmware vcenter server/8.0-a
- version/vmware vcenter server/8.0-b
- version/vmware vcenter server/8.0-c
- version/vmware vcenter server/8.0-update1
- version/vmware vcenter server/8.0-update1a