vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-21998

CRITICAL
9.8
CVSS Score
Published: June 23, 2021 at 11:10 AM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorCarbon Black App Control

Using VMware Carbon Black App Control (AppC) by N/A?

Get instant alerts when new vulnerabilities affect VMware Carbon Black App Control (AppC) - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
CRITICAL9.8
Exploit prediction
EPSS 11%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Carbon Black App Control· VMware
95%
v < 8.5.88.5 ≤ v < 8.5.88.6 ≤ v < 8.6.28.08.1
Affected range stops below 8.5.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.6.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2021-0012.html?

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card