CVE-2021-21580

mediumpriority · track · 17EPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · security_alert@emc.comexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimary

affected products (3)

Products and version ranges known to be affected.

Dell Integrated Dell Remote Access Controller (iDRAC)unspecified → 5.00.00.00enisa_euvdEU
dell emc idrac8 firmware< 2.80.80.80nvdUScpe:2.3:o:dell:emc_idrac8_firmware:*:*:*:*:*:*:*:*
dell emc idrac9 firmware< 5.00.00.00nvdUScpe:2.3:o:dell:emc_idrac9_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-08-03modified 2026-06-17

related (5,984)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-20337US	—OT critical	74.5% (99th)	KEV	2025-07-16
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as roo…
CVE-2025-20281US	—OT critical	97.6% (100th)	KEV	2025-06-25
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as roo…
CVE-2023-22527US	critical9.8OT critical	100.0% (100th)	KEV	2024-01-16
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using…
CVE-2023-48365US	critical9.9OT critical	47.7% (99th)	KEV	2023-11-15
Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attack…
CVE-2023-37580US	medium6.1OT critical	49.1% (99th)	KEV	2023-07-31
Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.

+5979 more

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan