CVE-2021-21539

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory dell.com
Affected: Dell Integrated Dell Remote Access Controller (iDRAC)
Published at:
Updated at:

References

Link Tags
https://www.dell.com/support/kbdoc/000185293 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21539?
CVE-2021-21539 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21539?
To fix CVE-2021-21539, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21539 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21539?
CVE-2021-21539 affects Dell Integrated Dell Remote Access Controller (iDRAC).
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