Vulnerability Name:

CVE-2021-21998 (CCN-204158)

Assigned:2021-06-22
Published:2021-06-22
Updated:2021-06-30
Summary:VMware Carbon Black App Control 8.0, 8.1, 8.5 prior to 8.5.8, and 8.6 prior to 8.6.2 has an authentication bypass. A malicious actor with network access to the VMware Carbon Black App Control management server might be able to obtain administrative access to the product without the need to authenticate.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
9.4 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L)
8.2 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.7 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-21998

Source: XF
Type: UNKNOWN
vmware-carbon-cve202121998-sec-bypass(204158)

Source: CCN
Type: VMware Security Advisory VMSA-2021-0012
VMware Carbon Black App Control update addresses authentication bypass (CVE-2021-21998)

Source: MISC
Type: Patch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0012.html?

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:carbon_black_app_control:8.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:carbon_black_app_control:8.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:carbon_black_app_control:*:*:*:*:*:*:*:* (Version >= 8.5 and < 8.5.8)
  • OR cpe:/a:vmware:carbon_black_app_control:*:*:*:*:*:*:*:* (Version >= 8.6 and < 8.6.2)

    • * Denotes that component is vulnerable
    BACK
    vmware carbon black app control 8.0
    vmware carbon black app control 8.1
    vmware carbon black app control *
    vmware carbon black app control *