Is CVE-2021-21510 in the CISA KEV catalog?

No. CVE-2021-21510 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21510?

CVE-2021-21510 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-21510?

CVE-2021-21510 has an EPSS score of 1.03% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21510?

Upgrade idrac8 firmware to 2.75.100.75 or later.

CVE & CISA-KEV Catalog

CVE-2021-21510

MEDIUM

6.1

CVSS v3

NVD

Description

Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.

CWE-20Improper Input Validation CWE-74Injection

How to fix

Remediation Available

idrac8 firmwareNVD

Affected:< 2.75.100.75Fixed in:2.75.100.75CVE-2021-21510derived 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

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.03%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2021-21510

Markdown

[![CVE-2021-21510](https://tridentstack.com/cve/badge/CVE-2021-21510.svg)](https://tridentstack.com/cve/CVE-2021-21510)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-21510"><img src="https://tridentstack.com/cve/badge/CVE-2021-21510.svg" alt="CVE-2021-21510"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.