Medium severity5.9NVD Advisory· Published Apr 30, 2021· Updated Jun 17, 2026

CVE-2021-21540

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Dell/Idrac9 Firmware
cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*
Range: <4.40.00.00
Dell/iDRAC9llm-fuzzy
Range: <4.40.00.00
Dell/Integrated Remote Access Controller Firmwarecpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

www.dell.com/support/kbdoc/000185293nvdVendor Advisory

News mentions

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cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000