Is CVE-2021-36347 in the CISA KEV catalog?

No. CVE-2021-36347 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36347?

CVE-2021-36347 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-36347?

CVE-2021-36347 has an EPSS score of 2.40% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36347?

Upgrade integrated dell remote access controller 8 firmware to 2.82.82.82 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-36347

HIGHEPSS 82th pctl

7.2

CVSS v3

NVD

Description

iDRAC9 versions prior to 5.00.20.00 and iDRAC8 versions prior to 2.82.82.82 contain a stack-based buffer overflow vulnerability. An authenticated remote attacker with high privileges could potentially exploit this vulnerability to control process execution and gain access to the iDRAC operating system.

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

How to fix

Remediation Available

integrated dell remote access controller 8 firmwareNVD

Affected:< 2.82.82.82Fixed in:2.82.82.82CVE-2021-36347derived from NVD

integrated dell remote access controller 9 firmwareNVD

Affected:< 5.00.20.00Fixed in:5.00.20.00CVE-2021-36347derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.40%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2009-0927	High	8.8	97%	KEV	Fix
CVE-2020-10924	High	8.8	87%	-	-
CVE-2022-20705	Critical	10.0	80%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.