How severe is CVE-2018-9084?

CVE-2018-9084 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-9084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9084?

CVE-2018-9084 affects Lenovo System Management Module Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9084?

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

When was CVE-2018-9084 published?

CVE-2018-9084 was published on 2018-11-27 and last updated on 2026-06-17.

CVE-2018-9084

CVE-2018-9084 is a medium-severity vulnerability in Lenovo System Management Module Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lenovo System Management Module Firmware
Published: 2018-11-27
Last modified: 2026-06-17

Description

In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.

Frequently asked questions

What is CVE-2018-9084?: In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.
How severe is CVE-2018-9084?: CVE-2018-9084 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-9084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9084?: CVE-2018-9084 affects Lenovo System Management Module Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-9084 published?: CVE-2018-9084 was published on 2018-11-27 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/solutions/LEN-24374

Affected products (1)

cpe:2.3:o:lenovo:system_management_module_firmware:*:*:*:*:*:*:*:*

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