Improper Authentication in iDRAC9 - CVE-2021-21544

 

Improper Authentication in iDRAC9 - CVE-2021-21544

Published: August 9, 2022


Vulnerability identifier: #VU66218
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21544
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Dell
Affected software:
iDRAC9

Detailed vulnerability description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote user with high privileges can exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.


How to mitigate CVE-2021-21544

Install updates from vendor's website.

Sources