Cyber Resilience

CVE-2023-34853

High

Published: 22 August 2023

Published
22 August 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0015 35.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-34853 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Supermicro X12Dai-N6 Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 35.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Buffer Overflow vulnerability in Supermicro motherboard X12DPG-QR 1.4b allows local attackers to hijack control flow via manipulation of SmcSecurityEraseSetupVar variable.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

supermicro
x12dai-n6 firmware
all versions
supermicro
x12ddw-a6 firmware
all versions
supermicro
x12dgo-6 firmware
all versions
supermicro
x12dgq-r firmware
all versions
supermicro
x12dgu firmware
all versions
supermicro
x12dhm-6 firmware
all versions
supermicro
x12dpd-a6m25 firmware
all versions
supermicro
x12dpfr-an6 firmware
all versions
supermicro
x12dpg-ar firmware
all versions
supermicro
x12dpg-oa6 firmware
all versions
+261 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References