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.
https://www.cisa.gov/news-events/ics-advisories/icsa-26-141-02
https://www.bleepingcomputer.com/news/security/pixiefail-flaws-impact-pxe-network-boot-in-enterprise-systems/?&web_view=true
https://www.kb.cert.org/vuls/id/132380
https://security.netapp.com/advisory/ntap-20240307-0011/
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
http://www.openwall.com/lists/oss-security/2024/01/16/2
Source: Mitre, NVD
Published: 2024-01-16
Updated: 2025-11-04
Named Vulnerability: PixieFail
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00318