Is CVE-2021-21580 in the CISA KEV catalog?

No. CVE-2021-21580 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21580?

CVE-2021-21580 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-21580?

CVE-2021-21580 has an EPSS score of 0.80% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21580?

Upgrade emc idrac8 firmware to 2.80.80.80 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-21580

MEDIUM

4.3

CVSS v3

NVD

Description

Dell EMC iDRAC8 versions prior to 2.80.80.80 & Dell EMC iDRAC9 versions prior to 5.00.00.00 contain a Content spoofing / Text injection, where a malicious URL can inject text to present a customized message on the application that can phish users into believing that the message is legitimate.

CWE-74Injection

How to fix

Remediation Available

emc idrac8 firmwareNVD

Affected:< 2.80.80.80Fixed in:2.80.80.80CVE-2021-21580derived from NVD

emc idrac9 firmwareNVD

Affected:< 5.00.00.00Fixed in:5.00.00.00CVE-2021-21580derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	KEV	Fix

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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.