CVE-2021-21539

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.

CVSS v3 7.1 HIGH
CVSS v2.0 4.6 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:S/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.dell.com/support/kbdoc/000185293	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-30 21:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-21539

Mitre link : CVE-2021-21539

CVE.ORG link : CVE-2021-21539

JSON object : View

Products Affected

dell

idrac9_firmware

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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