SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2023-51391

A bug in Micrium OS Network HTTP Server permits an invalid pointer dereference during header processing - potentially allowing a device crash and Denial of Service.

HIGH 7.5EPSS 0.79%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A bug in Micrium OS Network HTTP Server permits an invalid pointer dereference during header processing - potentially allowing a device crash and Denial of Service.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.79% probability · 54th percentile
CISA KEV
Not listed
Weakness
CWE-125, CWE-476
Source
product-security@silabs.com

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