CVE-2021-38575

HIGH

8.1

CVSS Score

Published: December 1, 2021 at 12:00 AM UTC

Updated: June 17, 2026 at 04:02 AM UTC

3 products affected across 2 vendorsEDK2KernelEDK II

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Severity

HIGH8.1

Exploit prediction

EPSS 2%

Description

NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kernel · Insyde

95%

5.0 5.1 5.2 5.3 5.4 5.5

EDK2 · Tianocore

95%

v ≤ 202105

EDK II · Tianocore

60%

v ≤ edk2-stable202105

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://bugzilla.tianocore.org/show_bug.cgi?id=3356

References (3)

ExploitIssue TrackingVendor Advisory

Source: [email protected]

https://bugzilla.tianocore.org/show_bug.cgi?id=3356

Third Party Advisory

Source: [email protected]

https://www.insyde.com/security-pledge/SA-2023025

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html

CVSS

8.1HIGH[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-124CWE-119

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