8.1
CWE
787 121
Advisory Published
Updated

CVE-2021-21540

First published: Fri Apr 30 2021(Updated: )

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.

Credit: security_alert@emc.com

Affected SoftwareAffected VersionHow to fix
Dell Idrac9 Firmware<4.40.00.00

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Frequently Asked Questions

  • What is CVE-2021-21540?

    CVE-2021-21540 is a vulnerability in Dell EMC iDRAC9 versions prior to 4.40.00.00 that allows a remote authenticated attacker to overwrite configuration information.

  • How does CVE-2021-21540 affect Dell EMC iDRAC9?

    CVE-2021-21540 affects Dell EMC iDRAC9 versions prior to 4.40.00.00 and allows a remote authenticated attacker to exploit a stack-based overflow vulnerability.

  • What is the severity of CVE-2021-21540?

    The severity of CVE-2021-21540 is high with a CVSS score of 8.1.

  • How can CVE-2021-21540 be exploited?

    CVE-2021-21540 can be exploited by a remote authenticated attacker injecting a large payload to overwrite configuration information.

  • Is there a fix available for CVE-2021-21540?

    Yes, Dell has released a fix for CVE-2021-21540. It is recommended to update to iDRAC9 version 4.40.00.00 or later.

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