Stack-based buffer overflow in iDRAC9 - CVE-2021-21540

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Main Vulnerability Database Vulnerabilities #VU66213

Stack-based buffer overflow in iDRAC9 - CVE-2021-21540

Published: August 9, 2022


Vulnerability identifier: #VU66213
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21540
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when #CONDITION1#. A remote user can exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.


Affected software

iDRAC9
EMC Data Domain

How to mitigate CVE-2021-21540

Install updates from vendor's website.

iDRAC9 - update to 4.40.40.00
EMC Data Domain - addressed in versions 6.2.1.60, 7.2.0.70, 7.6.0.7

External References

Related Security Bulletins