Vulnerability Details : CVE-2020-3957
VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior) and VMware Horizon Client for Mac (5.x and prior) contain a local privilege escalation vulnerability due to a Time-of-check Time-of-use (TOCTOU) issue in the service opener. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMRC and Horizon Client are installed.
Vulnerability category: Gain privilege
Products affected by CVE-2020-3957
- cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:remote_console:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3957
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 17 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3957
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2020-3957
-
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-3957
-
https://www.vmware.com/security/advisories/VMSA-2020-0011.html
VMSA-2020-0011Vendor Advisory
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