How severe is CVE-2023-52711?

CVE-2023-52711 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-52711 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52711?

CVE-2023-52711 affects Huawei Curiem-wfg9b Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-52711?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-52711 have an EU (EUVD) identifier?

Yes. CVE-2023-52711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57335.

When was CVE-2023-52711 published?

CVE-2023-52711 was published on 2024-05-28 and last updated on 2026-06-17.

CVE-2023-52711

CVE-2023-52711 is a high-severity vulnerability in Huawei Curiem-wfg9b Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57335
Weakness: CWE-401
Affected product: Huawei Curiem-wfg9b Firmware
Published: 2024-05-28
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2023-52711?: 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
How severe is CVE-2023-52711?: CVE-2023-52711 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-52711 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52711?: CVE-2023-52711 affects Huawei Curiem-wfg9b Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-52711?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-52711 have an EU (EUVD) identifier?: Yes. CVE-2023-52711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57335.
When was CVE-2023-52711 published?: CVE-2023-52711 was published on 2024-05-28 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-voiiaciahpp-6376e0c7-en

Affected products (1)

cpe:2.3:o:huawei:curiem-wfg9b_firmware:curiem-wfg9b_bios_2.28:*:*:*:*:*:*:*

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