Race Condition Vulnerability in Dell EMC iDRAC9
CVE-2021-21539

5.9MEDIUM

Key Information:

Vendor

Dell
Status
Integrated Dell Remote Access Controller (idrac)
Vendor
CVE Published:
30 April 2021

What is CVE-2021-21539?

Dell EMC iDRAC9 versions prior to 4.40.00.00 are susceptible to a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. This issue arises when a remote authenticated attacker exploits the timing discrepancies during simultaneous access to iDRAC via the web interface by a user with elevated privileges. If successful, the attacker could gain unauthorized access and potentially execute malicious actions that threaten the security of the system.

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Affected Version(s)

Integrated Dell Remote Access Controller (iDRAC) < 4.40.00.00

References

https://www.dell.com/support/kbdoc/000185293
x_refsource_MISC

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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