High severity · published Jun 23, 2021
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…
7.8
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
App Volumes · Vmware
2.0 before 2.18.10; 4 before 2103 · source: NVD
RC
Remote Console · Vmware
12.0.0 before 12.0.1 · source: NVD
TO
Tools · Vmware
11.0.0 before 11.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21999
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21999
Patch
https://www.vmware.com/security/advisories/VMSA-2021-0013.html
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-754/
More from App Volumes
5.4
CVE-2020-3975
VMware App Volumes 2.x prior to 2.18.6 and VMware App Volumes 4 prior to 2006 contain a Stored Cross-Site Scripting (XSS) vulnerability
