How severe is CVE-2017-3756?

CVE-2017-3756 has a CVSS 3.x base score of 7.8, 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-2017-3756 being actively exploited?

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

What products are affected by CVE-2017-3756?

CVE-2017-3756 primarily affects Lenovo Thinkpad 10 Ella 2 Bios. In total, 148 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3756?

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-2017-3756 published?

CVE-2017-3756 was published on 2017-08-18 and last updated on 2026-06-17.

CVE-2017-3756

CVE-2017-3756 is a high-severity vulnerability in Lenovo Thinkpad 10 Ella 2 Bios with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lenovo Thinkpad 10 Ella 2 Bios
Published: 2017-08-18
Last modified: 2026-06-17

Description

A privilege escalation vulnerability was identified in Lenovo Active Protection System for ThinkPad systems versions earlier than 1.82.0.17. An attacker with local privileges could execute code with administrative privileges via an unquoted service path.

Frequently asked questions

What is CVE-2017-3756?: A privilege escalation vulnerability was identified in Lenovo Active Protection System for ThinkPad systems versions earlier than 1.82.0.17. An attacker with local privileges could execute code with administrative privileges via an unquoted service path.
How severe is CVE-2017-3756?: CVE-2017-3756 has a CVSS 3.x base score of 7.8, 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-2017-3756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3756?: CVE-2017-3756 primarily affects Lenovo Thinkpad 10 Ella 2 Bios. In total, 148 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3756?: 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-2017-3756 published?: CVE-2017-3756 was published on 2017-08-18 and last updated on 2026-06-17.

References

Affected products (148)

cpe:2.3:o:lenovo:thinkpad_10_ella_2_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_beema_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_braswell_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_broadwell_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_skylake_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_13e_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e450_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e450c_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e455_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e460_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e465_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e550_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e550c_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e555_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e560_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e565_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e445_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e545_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_helix_20cg_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_helix_20ch_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l450_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l460_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l560_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p50_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p50s_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p70_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_12_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_non_vpro_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_vpro_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s3_s440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s3_yoga_14_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s5_e560p_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s5_yoga_15_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t440p_bios:-:*:*:*:*:*:*:*

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