9.8

CVE-2021-21998: vmware carbon_black_app_control Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 23-06-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-21998 is a critical (CVSS 9.8) Improper Authentication vulnerability in vmware carbon_black_app_control. EPSS estimates a 10.62% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
10.62%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

10.62%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 10.62% on 20-09-2026

20-09-202620-10-2026
EPSS score
10.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vmware1 product

1 vendor · 1 product

References

1 links