SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-52547

Memory Corruption in SMI Handler of HddPassword SMM Module.

HIGH 7.8EPSS 0.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Huawei Matebook D16(Model: CREM-WXX9, BIOS: v2.26. Memory Corruption in SMI Handler of HddPassword SMM Module. This can be leveraged by a malicious OS attacker to corrupt data structures stored at the beginning of SMRAM and can potentially lead to code execution in SMM.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.13% probability · 3th percentile
CISA KEV
Not listed
Weakness
CWE-130, CWE-787
Affected
huawei/curiem-wfg9b firmware
Source
psirt@huawei.com

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