VulnerabilityAnalyzed
CVE-2023-52711
Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2.
HIGH 7.8EPSS 0.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory thus potentially leading 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
- 0.11% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284, CWE-401
- Affected
- huawei/curiem-wfg9b firmware
- Source
- psirt@huawei.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.