How severe is CVE-2023-25756?

CVE-2023-25756 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2023-25756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25756?

CVE-2023-25756 primarily affects Intel Atom X6200fe Firmware. In total, 629 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-25756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-25756 published?

CVE-2023-25756 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-25756

CVE-2023-25756 is a medium-severity vulnerability in Intel Atom X6200fe Firmware with a CVSS 3.x base score of 4.6. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Intel Atom X6200fe Firmware
Published: 2023-11-14
Last modified: 2026-06-17

Description

Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via adjacent access.

Frequently asked questions

What is CVE-2023-25756?: Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via adjacent access.
How severe is CVE-2023-25756?: CVE-2023-25756 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2023-25756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25756?: CVE-2023-25756 primarily affects Intel Atom X6200fe Firmware. In total, 629 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-25756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-25756 published?: CVE-2023-25756 was published on 2023-11-14 and last updated on 2026-06-17.

References

Affected products (629)

cpe:2.3:o:intel:atom_x6200fe_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6211e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6212re_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6413e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6414re_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6425e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6425re_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x6427fe_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1000m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1005m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1007u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1017u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1019y_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1020e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1020m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1037u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_1047ue_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2000e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2002e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2950m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2955u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2957u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2961y_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2970m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2980u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_2981u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3205u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3215u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3755u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3765u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3855u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3865u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3867u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3955u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3965u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_3965y_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_4205u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_4305u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_4305ue_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_5205u_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Atom X6200fe Firmware

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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