How severe is CVE-2020-8332?

CVE-2020-8332 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8332 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8332?

CVE-2020-8332 primarily affects Lenovo Bladecenter Hs23 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-2020-8332?

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

When was CVE-2020-8332 published?

CVE-2020-8332 was published on 2020-10-14 and last updated on 2026-06-17.

CVE-2020-8332

CVE-2020-8332 is a medium-severity vulnerability in Lenovo Bladecenter Hs23 Firmware with a CVSS 3.x base score of 6.4. 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-367.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 6.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Lenovo Bladecenter Hs23 Firmware
Published: 2020-10-14
Last modified: 2026-06-17

Description

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

Frequently asked questions

What is CVE-2020-8332?: A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.
How severe is CVE-2020-8332?: CVE-2020-8332 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8332 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8332?: CVE-2020-8332 primarily affects Lenovo Bladecenter Hs23 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-2020-8332?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8332 published?: CVE-2020-8332 was published on 2020-10-14 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-38625

Affected products (18)

cpe:2.3:o:lenovo:bladecenter_hs23_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:compute_node-x440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3300_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3500_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3530_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3550_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3630_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3650_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3650_m4_bd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:idataplex_dx360_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:idataplex_dx360_m4_water_cooled_firmware:*:*:*:*:*:*:*:*

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