How severe is CVE-2020-0545?

CVE-2020-0545 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-0545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0545?

CVE-2020-0545 primarily affects Intel Converged Security Management Engine Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0545?

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

When was CVE-2020-0545 published?

CVE-2020-0545 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-0545

CVE-2020-0545 is a medium-severity vulnerability in Intel Converged Security Management Engine Firmware with a CVSS 3.x base score of 4.4. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Intel Converged Security Management Engine Firmware
Published: 2020-06-15
Last modified: 2026-06-17

Description

Integer overflow in subsystem for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77 and Intel(R) TXE versions before 3.1.75, 4.0.25 and Intel(R) Server Platform Services (SPS) versions before SPS_E5_04.01.04.380.0, SPS_SoC-X_04.00.04.128.0, SPS_SoC-A_04.00.04.211.0, SPS_E3_04.01.04.109.0, SPS_E3_04.08.04.070.0 may allow a privileged user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2020-0545?: Integer overflow in subsystem for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77 and Intel(R) TXE versions before 3.1.75, 4.0.25 and Intel(R) Server Platform Services (SPS) versions before SPS_E5_04.01.04.380.0, SPS_SoC-X_04.00.04.128.0, SPS_SoC-A_04.00.04.211.0, SPS_E3_04.01.04.109.0, SPS_E3_04.08.04.070.0 may allow a privileged user to potentially enable denial of service via local access.
How severe is CVE-2020-0545?: CVE-2020-0545 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-0545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0545?: CVE-2020-0545 primarily affects Intel Converged Security Management Engine Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0545?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0545 published?: CVE-2020-0545 was published on 2020-06-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:intel:server_platform_services:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:trusted_execution_engine:*:*:*:*:*:*:*:*

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CVE-2018-3627 — High (CVSS 8.2): Logic bug in Intel Converged Security Management Engine 11.x may allow an attacker to execute arbitrary code via local…
CVE-2020-0542 — High (CVSS 7.8): Improper buffer restrictions in subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may…

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Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →