SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-45236

This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

HIGH 7.5EPSS 0.99%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.99% probability · 61th percentile
CISA KEV
Not listed
Weakness
CWE-200, CWE-338
Affected
tianocore/edk2
Source
infosec@edk2.groups.io

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.