CVEvulnerability
CVE-2021-21539
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:N/AC:H/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-367
Description
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.
Affected configurations
• dell idrac9 firmware (< 4.40.00.00)
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- https://www.dell.com/support/kbdoc/000185293 Vendor Advisory
- https://www.dell.com/support/kbdoc/000185293 Vendor Advisory