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CVE-2017-3756· NVD / CVE Program· CNA lenovo

A privilege escalation vulnerability was identified in Lenovo Active Protection System for ThinkPad systems versions earlier than 1.82.0.17.

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.

HighCVSS 7.8 · v3.0—No exploit No fix recorded
Published
Aug 18, 2017
Updated
Jun 16, 2026
EPSS
0.4% · 29th percentile
CWE
—
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Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

Affected systems

VendorProduct
lenovothinkpad 10 ella 2 bios
lenovothinkpad 11e beema bios
lenovothinkpad 11e braswell bios
lenovothinkpad 11e broadwell bios
lenovothinkpad 11e skylake bios
lenovothinkpad 13e bios
lenovothinkpad e450 bios
lenovothinkpad e450c bios
lenovothinkpad e455 bios
lenovothinkpad e460 bios
lenovothinkpad e465 bios
lenovothinkpad e550 bios

and 139 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • lenovo thinkpad 10 ella 2all versions
  • lenovo thinkpad 10 ella 2 biosall versions
  • lenovo thinkpad 11e beemaall versions
  • lenovo thinkpad 11e beema biosall versions
  • lenovo thinkpad 11e braswellall versions
  • lenovo thinkpad 11e braswell biosall versions
  • lenovo thinkpad 11e broadwellall versions
  • lenovo thinkpad 11e broadwell biosall versions
  • lenovo thinkpad 11e skylakeall versions
  • lenovo thinkpad 11e skylake biosall versions
  • lenovo thinkpad 13eall versions
  • lenovo thinkpad 13e biosall versions
  • lenovo thinkpad e450all versions
  • lenovo thinkpad e450 biosall versions
  • lenovo thinkpad e450call versions
  • lenovo thinkpad e450c biosall versions
  • lenovo thinkpad e455all versions
  • lenovo thinkpad e455 biosall versions
  • lenovo thinkpad e460all versions
  • lenovo thinkpad e460 biosall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (lenovo). Independent of NVD's CPE analysis and usually ahead of it.

  • Lenovo Group Ltd. ThinkPad Active Protection System

    • Earlier than 1.82.0.17affected

Same product

lenovo: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-8222A vulnerability has been identified in a signed kernel driver for the BIOS of some ThinkPad systems that can allow an attacker with Windows
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records