How severe is CVE-2020-12300?

CVE-2020-12300 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12300?

CVE-2020-12300 primarily affects Intel S2600cw2 Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12300?

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-2020-12300 published?

CVE-2020-12300 was published on 2020-08-13 and last updated on 2026-06-17.

CVE-2020-12300

CVE-2020-12300 is a high-severity vulnerability in Intel S2600cw2 Firmware with a CVSS 3.x base score of 8.2. 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-824.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 4.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-824
Affected product: Intel S2600cw2 Firmware
Published: 2020-08-13
Last modified: 2026-06-17

Description

Uninitialized pointer in BIOS firmware for Intel(R) Server Board Families S2600CW, S2600KP, S2600TP, and S2600WT may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-12300?: Uninitialized pointer in BIOS firmware for Intel(R) Server Board Families S2600CW, S2600KP, S2600TP, and S2600WT may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-12300?: CVE-2020-12300 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12300?: CVE-2020-12300 primarily affects Intel S2600cw2 Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12300?: 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-2020-12300 published?: CVE-2020-12300 was published on 2020-08-13 and last updated on 2026-06-17.

References

Affected products (23)

cpe:2.3:o:intel:s2600cw2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cw2s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cwt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cwts_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cw2r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cw2sr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cwtr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600cwtsr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600kp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600kpf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600kpr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600kpfr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600kptr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600tp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600tpf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600tpfr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600tpnr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600tpr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600wt2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600wtt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600wttr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600wt2r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:s2600wtts1r_firmware:*:*:*:*:*:*:*:*

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