CVE-2021-38575

CVSS v3 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

N

etworkPkg/IScsiDxe has remotely exploitable buffer overflows.

References

Link	Resource
https://bugzilla.tianocore.org/show_bug.cgi?id=3356	Exploit Issue Tracking Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023025	Third Party Advisory
https://bugzilla.tianocore.org/show_bug.cgi?id=3356	Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
https://www.insyde.com/security-pledge/SA-2023025	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:insyde:kernel:5.0:::::::*
	cpe:2.3:o:insyde:kernel:5.1:::::::*
	cpe:2.3:o:insyde:kernel:5.2:::::::*
	cpe:2.3:o:insyde:kernel:5.3:::::::*
	cpe:2.3:o:insyde:kernel:5.4:::::::*
	cpe:2.3:o:insyde:kernel:5.5:::::::*

History

03 Nov 2025, 20:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html -

21 Nov 2024, 06:17

Type	Values Removed	Values Added
References	~~() https://bugzilla.tianocore.org/show_bug.cgi?id=3356 - Exploit, Issue Tracking, Vendor Advisory~~	() https://bugzilla.tianocore.org/show_bug.cgi?id=3356 - Exploit, Issue Tracking, Vendor Advisory
References	~~() https://www.insyde.com/security-pledge/SA-2023025 - Third Party Advisory~~	() https://www.insyde.com/security-pledge/SA-2023025 - Third Party Advisory

Information

Published : 2021-12-01 18:15

Updated : 2025-11-03 20:15

NVD link : CVE-2021-38575

Mitre link : CVE-2021-38575

CVE.ORG link : CVE-2021-38575

JSON object : View

Products Affected

edk2

kernel

CWE

CWE-124

Buffer Underwrite ('Buffer Underflow')

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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