Vulnerability Details : CVE-2023-20896
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).
Vulnerability category: Denial of service
Products affected by CVE-2023-20896
- cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update2b:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update2c:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update2d:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3c:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3d:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3e:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3f:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3g:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3h:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3j:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3k:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3l:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:update3i:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-20896
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-20896
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
VMware |
CWE ids for CVE-2023-20896
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-20896
-
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1800
TALOS-2023-1800 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence
-
https://www.vmware.com/security/advisories/VMSA-2023-0014.html
VMSA-2023-0014Patch;Vendor Advisory
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