CVE-2021-21981

mediumpriority · track · 31EPSS 0.002 · 12 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.22% (12th) EPSS

CVSS 4.6 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–7.8

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.5highAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USprimaryCWE-269US

affected products (3)

Products and version ranges known to be affected.

n/a VMware NSX-T≤ VMware NSX-T 3.1.1enisa_euvdEU
Broadcom Inc. VMware NSX-T≤ 3.1.1fstec_bduRU
broadcom vmware nsx-t data center= 3.1.1nvdUScpe:2.3:a:broadcom:vmware_nsx-t_data_center:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-04-19modified 2026-06-17

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+6657 more

references (6)

External citations — patches, advisories, analysis.

scry

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