CVE-2021-21539
MEDIUMDell EMC iDRAC9 < 4.40.00.00 - Authenticated Privilege Escalation via TOCTOU Race Condition
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.dell.com/support/kbdoc/000185293
Scores
CVSS v3
5.9
EPSS
0.0040
EPSS Percentile
61.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
Details
CWE
CWE-367
Status
published
Products (1)
dell/idrac9_firmware
< 4.40.00.00
Published
Apr 30, 2021
Tracked Since
Feb 18, 2026