Vulnerability Details : CVE-2021-21999
VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to 12.0.1) , VMware App Volumes (2.x prior to 2.18.10 and 4 prior to 2103) contain a local privilege escalation vulnerability. An attacker with normal access to a virtual machine may exploit this issue by placing a malicious file renamed as `openssl.cnf' in an unrestricted directory which would allow code to be executed with elevated privileges.
Vulnerability category: Gain privilege
Products affected by CVE-2021-21999
- cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:*
- cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:*
- cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21999
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21999
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-21999
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21999
-
https://www.vmware.com/security/advisories/VMSA-2021-0013.html
VMSA-2021-0013Patch;Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-754/
ZDI-21-754 | Zero Day InitiativeThird Party Advisory;VDB Entry
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