BareketAI PWX Discover Start a pilot

Dell iDRAC

CVE-2021-21578

medium 6.1CVSS 3.1 · published 2021-08-03 · modified 2026-06-17

Dell EMC iDRAC9 versions prior to 4.40.40.00 contain an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect users to arbitrary web URLs by tricking the victim users to click on maliciously crafted links.

Affected versions (NVD)

ProductVersions
emc_idrac9_firmware< 4.40.40.00

What to do

NVD marks firmware before these versions as affected: emc_idrac9_firmware before 4.40.40.00. The usual fix is to update to that version or later. Vendors patch each firmware branch separately, so confirm the fixed build for your branch in the advisory.

Vendor advisory (from the NVD record): www.dell.com/support/kbdoc/000189193 · www.dell.com/support/kbdoc/000189193.

How this page decided
Severity and CVSS: the primary NVD score (version 3.1). Affected versions: the CPE ranges in the NVD record, modified 2026-06-17. Exploited: the CISA KEV field of the NVD record. Whether you are affected needs your firmware version; this page does not know it. It is not tested against a device.

Do you run it?

Paste your BMC's Redfish answers into the Redfish Inspector: it compares the firmware version with the NVD ranges, in your browser. Or scan every BMC with the free scan.

Source: NVD CVE-2021-21578. PWX for iDRAC

Free e-mail alerts
Get an e-mail when a new CVE lands for what you run

One e-mail per new CVE or newly exploited one, for the families you pick. You confirm first; every e-mail unsubscribes in one click, and that deletes your address. We keep only your address and your choices. Details

Run it on your own fleet

PWX Discover is free: the scan reads your fleet and lists what to fix, on your machine. PWX Monitor keeps watching every layer, from the tenant to the power rail, with attack paths and alerts in your SIEM. PWX Protect acts on the BMC. Start with a pilot.

Start a pilotRun the free scan