PT-2021-14603 · Dell · Dell Poweredge Server Bios

Alexander Matrosov + 1 · Published 2021-06-14 · Updated 2021-06-23 · CVE-2021-21555

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Dell PowerEdge Server BIOS versions (affected versions not specified)

Description A heap-based buffer overflow issue exists in systems with NVDIMM-N installed, potentially allowing a local malicious user with high privileges to exploit the issue. This could lead to a denial of service, arbitrary code execution, or information disclosure in the UEFI or BIOS Preboot Environment.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2021-21555

Affected Products

Dell Poweredge Server Bios

References · 3

• https://dell.com/support/kbdoc/000187958 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21555 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21555 · Vendor Advisory