CVE-2023-45236

Predictable TCP ISNs in EDK II Network Package

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.

Categories

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.22%
Vendor Advisory github.com
Affected: TianoCore edk2
Published at:
Updated at:

References

Link Tags
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h vendor advisory
http://www.openwall.com/lists/oss-security/2024/01/16/2 mailing list
https://security.netapp.com/advisory/ntap-20240307-0011/

Frequently Asked Questions

What is the severity of CVE-2023-45236?
CVE-2023-45236 has been scored as a medium severity vulnerability.
How to fix CVE-2023-45236?
To fix CVE-2023-45236, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-45236 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-45236 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-45236?
CVE-2023-45236 affects TianoCore edk2.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.