CVE-2021-21577
Dell EMC iDRAC9 versions prior to 4.40.40.00 contain a DOM-based cross-site scripting vulnerability.
Does this matter?
Lower severity and a low EPSS score (0.75%). Track it; it rarely justifies an emergency change on its own.
Description
Dell EMC iDRAC9 versions prior to 4.40.40.00 contain a DOM-based 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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.75% probability · 55th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- dell/emc idrac9 firmware
- Source
- security_alert@emc.com
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.dell.com/support/kbdoc/000189193Vendor Advisory
- https://www.dell.com/support/kbdoc/000189193Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.