Vulnerability in Tianocore Edk2
CVE-2023-45237
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.
EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Tianocore Edk2 — versions edk2-stable202308
Weakness classification (CWE)
Public proof-of-concept exploits
References
- infosec@edk2.groups.io (Vendor Advisory)
- infosec@edk2.groups.io (Mailing List)
- infosec@edk2.groups.io
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-45237?
- CVE-2023-45237 is a medium-severity vulnerability in Tianocore Edk2, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.3/10. Published 2024-01-16.
- How severe is CVE-2023-45237?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-45237 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.