Auth bypass in Dell Idrac9 Firmware

CVE-2021-21544

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain an improper authentication vulnerability. A remote authenticated malicious user with high privileges could potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-21544: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-21544?
CVE-2021-21544 is a low-severity vulnerability in Dell Idrac9 Firmware, classified under CWE-602. CVSS score: 2.7/10. Published 2021-04-30.
How severe is CVE-2021-21544?
Low severity. CVSS v3 base score is 2.7 out of 10.
Is CVE-2021-21544 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.