Is CVE-2021-21544 in the CISA KEV catalog?

No. CVE-2021-21544 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21544?

CVE-2021-21544 has a CVSS v3 base score of 2.7 (LOW).

What is the EPSS score for CVE-2021-21544?

CVE-2021-21544 has an EPSS score of 0.92% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21544?

Upgrade idrac9 firmware to 4.40.00.00 or later.

CVE & CISA-KEV Catalog

CVE-2021-21544

LOW

2.7

CVSS v3

NVD

Description

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain an improper authentication vulnerability. A remote authenticated malicious user with high privileges could potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.

CWE-602 CWE-287Improper Authentication

How to fix

Remediation Available

idrac9 firmwareNVD

Affected:< 4.40.00.00Fixed in:4.40.00.00CVE-2021-21544derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.92%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-602 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-8162	High	7.5	3.1%	-	Fix
CVE-2024-23666	High	7.5	2.7%	-	Fix
CVE-2014-2374	High	7.5	1.9%	-	-
CVE-2014-2373	High	7.5	1.8%	-	-
CVE-2020-24683	Critical	9.8	1.5%	-	-
CVE-2022-20658	Critical	9.6	1.4%	-	-

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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.