CVE-2023-45237 Use of a Weak PseudoRandom Number Generator in EDK II Network Package

2024-01-1616:11:11

CWE-338

TianoCore

www.cve.org

cve-2023-45237

edk2

network package

predictable tcp

unauthorized access

loss of confidentiality

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.2%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "edk2",
    "vendor": "TianoCore",
    "versions": [
      {
        "status": "affected",
        "version": "edk2-stable202308"
      }
    ]
  }
]