VULNERABILITY INTELLIGENCE
CVE-2021-21539
CVSS score5.9 MEDIUM
EPSS probability0.62%
CISA KEVNot currently listed
Published2021-04-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
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.
Weakness classification
- nvd@nist.gov: CWE-367
Primary references
- security_alert@emc.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory