#VU21147 Insufficient Session Expiration


Published: 2019-09-17

Vulnerability identifier: #VU21147

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5531

CWE-ID: CWE-613

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vCenter Server vSphere Web Client
Client/Desktop applications / Software for system administration
vCenter Server vSphere Client
Client/Desktop applications / Software for system administration
VMware ESXi
Operating systems & Components / Operating system

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.

Mitigation

Install updates from vendor's website.

For ESXi systems apply the following patches:
For 6.0 - ESXi600-201909101-SG
For 6.5 - ESXi650-201907101-SG
For 6.7 - ESXi670-201904101-SG

Vulnerable software versions

vCenter Server vSphere Web Client: 6.0 - 6.7

vCenter Server vSphere Client: 6.5 - 6.7

VMware ESXi: 6.0 - 6.7


External links
http://www.vmware.com/security/advisories/VMSA-2019-0013.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.


Latest bulletins with this vulnerability