NEXUS8
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CVE-2021-38575
● CVE — High
CVE-2021-38575
Vendor
tianocore, insyde
Product
edk2, kernel
Discovered
Dec 1, 2021
Updated
Nov 3, 2025
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
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CVSS v3.1
8.1
HIGH
EPSS
1.99
%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 25, 2026
▲ 0.14
pp
1.85% → 1.99% over 2 tracked changes
CVSS v3.1 Detail
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
3 relationships
Classification
1
Affects
2
CWE-124
source
Timeline
disclosure → media coverage
Dec 1, 2021
Disclosure
— published as a CVE record.
· last revised by NVD Nov 3, 2025