Vulnerability Details : CVE-2017-4921
VMware vCenter Server (6.5 prior to 6.5 U1) contains an insecure library loading issue that occurs due to the use of LD_LIBRARY_PATH variable in an unsafe manner. Successful exploitation of this issue may allow unprivileged host users to load a shared library that may lead to privilege escalation.
Vulnerability category: Gain privilege
Exploit prediction scoring system (EPSS) score for CVE-2017-4921
Probability of exploitation activity in the next 30 days: 0.23%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-4921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
References for CVE-2017-4921
-
http://www.securitytracker.com/id/1039013
VMware vCenter Server and Tools Multiple Bugs Let Local Host System Users Obtain Passwords and Sensitive Information and Let Local Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/100006
VMware vCenter Server CVE-2017-4921 DLL Loading Local Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
https://www.vmware.com/security/advisories/VMSA-2017-0013.html
VMSA-2017-0013Patch;Vendor Advisory
Products affected by CVE-2017-4921
- cpe:2.3:a:vmware:vcenter_server:6.5:*:*:*:*:*:*:*