CVE-2021-21985
Scores
EPSS
Percentile: 94.4%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
Scaner-VS 7 — a modern vulnerability management solution
Sources
CWEs
Related Vulnerabilities
Exploits
Exploit ID: CVE-2021-21985
Source: cisa
URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Vulnerable Software (2)
Type: Configuration
Vendor: vmware
Product: cloud_foundation
Operating System: * * *
{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.10.2.1",
"versionStartIncluding": "3.0",
"vulnerable": true
...{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.10.2.1",
"versionStartIncluding": "3.0",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.2.1",
"versionStartIncluding": "4.0",
"vulnerable": true
}
],
"operator": "OR"
}Source: nvd
Type: Configuration
Vendor: vmware
Product: vcenter_server
Operating System: * * *
{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*...{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*",
"vulnerable": true
}
],
"operator": "OR"
}Source: nvd