Vulnerability Name:

CVE-2021-22019 (CCN-209735)

Assigned:2021-09-21
Published:2021-09-21
Updated:2021-09-30
Summary:The vCenter Server contains a denial-of-service vulnerability in VAPI (vCenter API) service. A malicious actor with network access to port 5480 on vCenter Server may exploit this issue by sending a specially crafted jsonrpc message to create a denial of service condition.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-22019

Source: XF
Type: UNKNOWN
vmware-vcenter-cve202122019-dos(209735)

Source: CCN
Type: VMware Security Advisory VMSA-2021-0020
VMware vCenter Server updates address multiple security vulnerabilities

Source: MISC
Type: Patch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

Source: CCN
Type: ZDI-21-1109
VMware vCenter Server Appliance External Control of File Path Denial-of-Service Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 3.0 and < 3.10.2.2)
  • OR cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 4.0 and < 4.3)
  • OR cpe:/a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:vmware:vcenter_server:6.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    vmware cloud foundation *
    vmware cloud foundation *
    vmware vcenter server 6.5 -
    vmware vcenter server 6.7 -
    vmware vcenter server 7.0 -
    vmware vcenter server 6.5
    vmware vcenter server 6.7
    vmware cloud foundation 3.0
    vmware cloud foundation 4.0
    vmware vcenter server 7.0 -