Medium severity · published Dec 20, 2017
CVE-2017-4940
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…
6.1
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
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
ES
ESXi · VMware
5.5; 5.5; 5.5; 5.5; 5.5; 5.5; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-4940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-4940
Third Party Advisory
http://www.securitytracker.com/id/1040024
Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2017-0021.html
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