Vulnerability Name:

CVE-2021-22018 (CCN-209736)

Assigned:2021-09-21
Published:2021-09-21
Updated:2021-09-30
Summary:The vCenter Server contains an arbitrary file deletion vulnerability in a VMware vSphere Life-cycle Manager plug-in. A malicious actor with network access to port 9087 on vCenter Server may exploit this issue to delete non critical files.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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): Low
Availibility (A): Low
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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): Low
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:File Manipulation
References:Source: MITRE
Type: CNA
CVE-2021-22018

Source: XF
Type: UNKNOWN
vmware-vcenter-cve202122018-file-deletion(209736)

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-21-1105
VMware vCenter Server Appliance Update Manager Directory Traversal Arbitrary File Deletion Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 4.0 and < 4.3.1)
  • OR cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    vmware cloud foundation *
    vmware vcenter server 7.0 -
    vmware vcenter server 7.0 -