Vulnerability identifier: #VU7641

Vulnerability risk: Low

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

CVE-ID: CVE-2017-4923

CWE-ID: CWE-200

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 obtain potentially sensitive information.

The vulnerability exists due to improper security restrictions that are set on the vCenter Server Appliance file-based backup feature. A remote attacker can use the file-based backup feature to access important data, such as plaintext credentials, that may be used to conduct further attack.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation
Update to version 6.5 U1.

Vulnerable software versions

vCenter Server: 6.5.0

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External links
http://www.vmware.com/security/advisories/VMSA-2017-0013.html

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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.