CVE-2017-4928

Name: CVE-2017-4928
Creator: NVD / NIST
Published: 2017-11-17T14:29:00.483+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.24%

Last modified Jun 17, 2026

CVE-2017-4928 is a vulnerability of currently unknown severity. The flash-based vSphere Web Client (6.0 prior to 6.0 U3c and 5.5 prior to 5.5 U3f) i.e. not the new HTML5-based vSphere Client, contains SSRF and CRLF injection issues due to improper neutralization of URLs. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

The flash-based vSphere Web Client (6.0 prior to 6.0 U3c and 5.5 prior to 5.5 U3f) i.e. not the new HTML5-based vSphere Client, contains SSRF and CRLF injection issues due to improper neutralization of URLs. An attacker may exploit these issues by sending a POST request with modified headers towards internal services leading to information disclosure.

Metrics

EPSS Probability

1.24%

65.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vmware	Vcenter Server	5.5
Vmware	Vcenter Server	6.0

References

http://www.securityfocus.com/bid/101785Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039759Third Party Advisory, VDB Entry
https://www.vmware.com/security/advisories/VMSA-2017-0017.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/101785Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039759Third Party Advisory, VDB Entry
https://www.vmware.com/security/advisories/VMSA-2017-0017.htmlPatch, Vendor Advisory

Timeline

Published: Nov 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-4928?

How severe is CVE-2017-4928?

Severity scoring for CVE-2017-4928 is pending analysis. The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2017-4928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-4928?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST