CVE-2021-21539
low-risk
Published 2021-04-30
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.
Do I need to act?
-
0.41% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (2)
Vendor Advisory
https://www.dell.com/support/kbdoc/000185293
Vendor Advisory
https://www.dell.com/support/kbdoc/000185293
25
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal