Vulnerability identifier: #VU77639

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20896

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vCenter Server
Server applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within DCERPC protocol implementation. A remote attacker can send specially crafted packets to the server, trigger an out-of-bounds read error and crash vmcad, vmdird, or vmafdd services.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 7.0 U1 - 8.0.0c

---

External links
http://www.vmware.com/security/advisories/VMSA-2023-0014.html

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.