CVE-2023-45237 - CVE House
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Status published Medium CVE-2023-45237

Use of a Weak PseudoRandom Number Generator in EDK II Network Package

Vulnerability Description

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Quarkslab Vulnerability Reports Team
  • Doug Flick

References

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Affected Vendor

Affected Software

edk2
Vulnerable Versions:
edk2-stable202308

Timeline

Official Publish: January 16th, 2024
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-338

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.