CVE-2021-21510

6.1 mediumEPSS 1.0%

Medium (6.1) in dell idrac8 firmware. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWEs: CWE-74, CWE-20
Published: 2021-03-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dell:idrac8_firmware

References

https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability
https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability

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