How severe is CVE-2020-8731?

CVE-2020-8731 has a CVSS 3.x base score of 8.8, 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-2020-8731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8731?

CVE-2020-8731 primarily affects Intel Server Board S2600wt Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8731?

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.

When was CVE-2020-8731 published?

CVE-2020-8731 was published on 2020-08-13 and last updated on 2026-06-17.

CVE-2020-8731

CVE-2020-8731 is a high-severity vulnerability in Intel Server Board S2600wt Firmware with a CVSS 3.x base score of 8.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Intel Server Board S2600wt Firmware
Published: 2020-08-13
Last modified: 2026-06-17

Description

Incorrect execution-assigned permissions in the file system for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-8731?: Incorrect execution-assigned permissions in the file system for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-8731?: CVE-2020-8731 has a CVSS 3.x base score of 8.8, 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-2020-8731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8731?: CVE-2020-8731 primarily affects Intel Server Board S2600wt Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8731?: 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.
When was CVE-2020-8731 published?: CVE-2020-8731 was published on 2020-08-13 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:o:intel:server_board_s2600wt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_r1000wt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_r2000wt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s2600cw:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_module_hns2600kp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s2600kp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_module_hns2600tp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_module_s2600tp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s1200sp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_lr1304sp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_lsvrp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_r1000sp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s2600wf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_r1000wf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_system_r2000wf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s2600st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_module_hns2600bp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:server_board_s2600bp_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Server Board S2600wt Firmware

CVE-2020-8732 — High (CVSS 8.8): Heap-based buffer overflow in the firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before…
CVE-2020-8730 — High (CVSS 8.8): Heap-based overflow for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may allow…
CVE-2020-8718 — High (CVSS 8.8): Buffer overflow in a subsystem for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59…
CVE-2020-8713 — High (CVSS 8.8): Improper authentication for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may…
CVE-2020-8709 — High (CVSS 8.8): Improper authentication in socket services for some Intel(R) Server Boards, Server Systems and Compute Modules before…
CVE-2020-8708 — High (CVSS 8.8): Improper authentication for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may…

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