CVE-2021-21981 json
VMware NSX-T contains a privilege escalation vulnerability due to an issue with RBAC (Role based access control) role assignment.
published 2021-04-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9152
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a VMware NSX-T
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
vmware.com
/security/advisories/VMSA-2021-0006.html
patch, vendor-advisory
Sources
- CVE List CVE-2021-21981
- NVD CVE-2021-21981
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