Dell iDRAC 9 prior to version 4.40.40.00 and iDRAC 8 prior to version 2.80.80.80 contain a Stack Buffer Overflow in Racadm.

published 2021-11-23 4y ago modified 2026-06-17 4mo ago also EUVD-2021-22921

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 27.7%; EPSS 27.7% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known

Dell iDRAC 9 prior to version 4.40.40.00 and iDRAC 8 prior to version 2.80.80.80 contain a Stack Buffer Overflow in Racadm. An authenticated remote attacker may potentially exploit this vulnerability to control process execution and gain access to the underlying operating system.

Patch / fix

fixed in 1 links 1

Dell Integrated Dell Remote Access Controller (iDRAC) 4.40.40.00

support.emc.com/kb/000191229 advisory

Is CVE-2021-36301 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

27.70% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Dell Integrated Dell Remote Access Controller (iDRAC)

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

support.emc.com /kb/000191229
patch, vendor-advisory

Sources

CVE List CVE-2021-36301
NVD CVE-2021-36301

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.