7.8

CVE-2021-21981: broadcom vmware_nsx-t_data_center Improper Privilege Management

CVSS: 7.8v3.1HighModified
Published 19-04-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-21981 is a high (CVSS 7.8) Improper Privilege Management vulnerability in broadcom vmware_nsx-t_data_center. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

VMware NSX-T contains a privilege escalation vulnerability due to an issue with RBAC (Role based access control) role assignment. Successful exploitation of this issue may allow attackers with local guest user account to assign privileges higher than their own permission level.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.22%

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

Broadcom1 product

1 vendor · 1 product

References

1 links