What is CVE-2021-21581?

CVE-2021-21581 is a medium-severity vulnerability in Dell EMC Idrac9 Firmware, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2021-08-03.

How severe is CVE-2021-21581?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-21581 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Dell EMC Idrac9 Firmware

CVE-2021-21581

Dell EMC iDRAC9 versions prior to 5.00.00.00 contain a cross-site scripting vulnerability. A remote attacker could potentially exploit this vulnerability to run malicious HTML or JavaScript in a victim’s browser by tricking a victim in to following a specially crafted link.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (52.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Dell Emc_idrac9_firmware
Dell Integrated Remote Access Controller (Idrac) — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security_alert@emc.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21581?: CVE-2021-21581 is a medium-severity vulnerability in Dell EMC Idrac9 Firmware, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2021-08-03.
How severe is CVE-2021-21581?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-21581 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.