Vulnerability Name:

CVE-2021-22016 (CCN-209738)

Assigned:2021-09-21
Published:2021-09-21
Updated:2021-09-27
Summary:The vCenter Server contains a reflected cross-site scripting vulnerability due to a lack of input sanitization. An attacker may exploit this issue to execute malicious scripts by tricking a victim into clicking a malicious link.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.2 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-22016

Source: XF
Type: UNKNOWN
vmware-vcenter-cve202122016-xss(209738)

Source: CCN
Type: IBM Security Bulletin 6507111 (Cloud Pak System)
Multiple Vulnerabilities in VMware vCenter affect IBM Cloud Pak System

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 3.0 and < 5.0)
  • OR cpe:/a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:vmware:vcenter_server:6.7:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:cloud_pak_system:2.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_system:2.3.3.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    vmware cloud foundation *
    vmware vcenter server 6.7 -
    vmware vcenter server 6.7
    ibm cloud pak system 2.3
    ibm cloud pak system 2.3.0.1
    ibm cloud pak system 2.3.1.1
    ibm cloud pak system 2.3.2.0
    ibm cloud pak system 2.3.3.0
    ibm cloud pak system 2.3.3.1
    ibm cloud pak system 2.3.3.2
    ibm cloud pak system 2.3.3.3