CVE-2017-4940

Description

The ESXi Host Client in VMware ESXi (6.5 before ESXi650-201712103-SG, 5.5 before ESXi600-201711103-SG and 5.5 before ESXi550-201709102-SG) contains a vulnerability that may allow for stored cross-site scripting (XSS). An attacker can exploit this vulnerability by injecting Javascript, which might get executed when other users access the Host Client.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory vmware.com
Affected: VMware ESXi
Published at:
Updated at:

References

Link Tags
https://www.vmware.com/security/advisories/VMSA-2017-0021.html vendor advisory
http://www.securitytracker.com/id/1040024 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-4940?
CVE-2017-4940 has been scored as a medium severity vulnerability.
How to fix CVE-2017-4940?
To fix CVE-2017-4940, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-4940 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-4940 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-4940?
CVE-2017-4940 affects VMware ESXi.
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