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Vulnerability details: VCID-2nzx-2ymt-kuhv
Vulnerability ID VCID-2nzx-2ymt-kuhv
Aliases CVE-2021-38575
Summary edk2: remote buffer overflow in IScsiHexToBin function in NetworkPkg/IScsiDxe
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38575.json
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2021-38575
cvssv3.1 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Medium https://security.archlinux.org/AVG-2382
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38575.json
https://api.first.org/data/v1/epss?cve=CVE-2021-38575
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38575
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1956284 https://bugzilla.redhat.com/show_bug.cgi?id=1956284
AVG-2382 https://security.archlinux.org/AVG-2382
RHSA-2021:3066 https://access.redhat.com/errata/RHSA-2021:3066
RHSA-2021:3172 https://access.redhat.com/errata/RHSA-2021:3172
RHSA-2021:3235 https://access.redhat.com/errata/RHSA-2021:3235
RHSA-2021:3369 https://access.redhat.com/errata/RHSA-2021:3369
USN-5088-1 https://usn.ubuntu.com/5088-1/
USN-7060-1 https://usn.ubuntu.com/7060-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38575.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.67211
EPSS Score 0.00532
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:02:05.819788+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38575.json 38.0.0