XSS in VMware Esxi
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 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- VMware Esxi — versions 6.0 before ESXi600-201711103-SG, 5.5, 6.5
Weakness classification (CWE)
References
- www.vmware.com/security/advisories/VMSA-2017-0021.html (Vendor Advisory)
- www.securitytracker.com/id/1040024 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-4940?
- CVE-2017-4940 is a medium-severity vulnerability in VMware Esxi, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-20.
- How severe is CVE-2017-4940?
- Medium severity. CVSS v3 base score is 6.1 out of 10.