CVE & CISA-KEV Catalog

CVE-2023-45231

MEDIUM

6.5

CVSS v3

Description

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

edk2Debian

Fixed in:2020.11-2+deb11u3CVE-2023-45231

Fixed in:2022.11-6+deb12u1CVE-2023-45231

Fixed in:2023.11-6CVE-2023-45231

Fixed in:2023.11-6CVE-2023-45231

edk2Red Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2Rocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-aarch64Rocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2-aarch64Red Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2-debugsourceRocky

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2-debugsourceRed Hat / RHEL

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-ovmfRocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-ovmfRed Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-toolsRocky

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-toolsRed Hat / RHEL

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-tools-debuginfoRed Hat / RHEL

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2-tools-debuginfoRocky

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2-tools-docRocky

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

Fixed in:0:20231122-6.el9RHSA-2024:2264

edk2-tools-docRed Hat / RHEL

Fixed in:0:20231122-6.el9RHSA-2024:2264

Fixed in:0:20221207gitfff6d81270b5-9.el9_2.3RHSA-2024:4419

edk2Ubuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-aa64Ubuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-armUbuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-x64Ubuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

ovmfUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

qemu-efiUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

qemu-efi-aarch64Ubuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

qemu-efi-armUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory1

packetstormsecurity.com

Mailing List1

openwall.com

Other references4

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.