Dell PowerEdge T30 and T40 Mini Tower update for Tianocore EDK2

Published: 2023-05-26
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-38578
Exploitation vector Local
Public exploit N/A
Vulnerable software
PowerEdge T30 Mini Tower Server
Server applications / Other server solutions

PowerEdge T40
Hardware solutions / Firmware

Vendor Dell

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU75395

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38578

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in MdeModulePkg/Core/PiSmmCore/PiSmmCore.c. A local user trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


Install update from vendor's website.

Vulnerable software versions

PowerEdge T30 Mini Tower Server: before 1.11.0

PowerEdge T40: before 1.11.0

External links

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.