High severity · published Jun 22, 2023
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…
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
vCenter Server · VMware
4.0 before 7.0; 7.0; 7.0; 7.0; 7.0; 7.0; +27 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20896
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20896
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1800
Patch
https://www.vmware.com/security/advisories/VMSA-2023-0014.html
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