CVE-2021-21986
VMware vSphere Unauthenticated Access Vulnerability
Description
The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.
INFO
Published Date :
May 26, 2021, 3:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-21986 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-21986
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-21986.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html | Third Party Advisory VDB Entry |
| https://www.vmware.com/security/advisories/VMSA-2021-0010.html | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A simple play to apply the workaround in KB82374
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-21986 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21986 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-287 CWE-306 -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3a:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u2c:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u2a:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u2:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u1b:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u1:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3g:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3b:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3j:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u2a:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u2:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u1d:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u1c:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3m:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u1:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3l:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:7.0:u1a:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:u3f:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u2g:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u2d:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1c:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u2c:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1b:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u2b:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u2:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1g:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1e:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u1d:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u3f:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u3k:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u3d:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u3:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:1b:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:1c:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:1:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:u3n:*:*:*:*:*:* OR *cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:* -
Initial Analysis by [email protected]
Jun. 03, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html No Types Assigned http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html Third Party Advisory, VDB Entry Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2021-0010.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2021-0010.html Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:1b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:1c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u1g:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u2:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u2b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u2c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u2d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u2g:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u3:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u3d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u3f:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u3k:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.5:u3n:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u1b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u2:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u2a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u2c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3f:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3g:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3j:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3l:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:6.7:u3m:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u1a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u1c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u1d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u2:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:u2a:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.10.2.1 *cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.2.1 -
CVE Modified by [email protected]
May. 26, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21986 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-21986
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} -0.06%
score
0.57733
percentile