CVE-2016-5247
Summary
| CVE | CVE-2016-5247 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-09-22 15:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | The BIOS for Lenovo ThinkCentre E93, M6500t/s, M6600, M6600q, M6600t/s, M73p, M800, M83, M8500t/s, M8600t/s, M900, M93, and M93P devices; ThinkServer RQ940, RS140, TS140, TS240, TS440, and TS540 devices; and ThinkStation E32, P300, and P310 devices might allow local users or physically proximate attackers to bypass the Secure Boot protection mechanism by leveraging an AMI test key. |
Risk And Classification
Primary CVSS: v3.0 7.8 HIGH from [email protected]
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000700000 probability, percentile 0.210990000 (date 2026-05-06)
Problem Types: CWE-254 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Lenovo | Bios | - | All | All | All |
| Hardware | Lenovo | Thinkcentre E93 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M6500t/s | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M6600 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M6600q | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M6600t/s | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M73p | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M800 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M83 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M8500t/s | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M8600t/s | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M900 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M93 | - | All | All | All |
| Hardware | Lenovo | Thinkcentre M93p | - | All | All | All |
| Hardware | Lenovo | Thinkserver Rq940 | - | All | All | All |
| Hardware | Lenovo | Thinkserver Rs140 | - | All | All | All |
| Hardware | Lenovo | Thinkserver Ts140 | - | All | All | All |
| Hardware | Lenovo | Thinkserver Ts240 | - | All | All | All |
| Hardware | Lenovo | Thinkserver Ts440 | - | All | All | All |
| Hardware | Lenovo | Thinkserver Ts540 | - | All | All | All |
| Hardware | Lenovo | Thinkstation E32 | - | All | All | All |
| Hardware | Lenovo | Thinkstation P300 | - | All | All | All |
| Hardware | Lenovo | Thinkstation P310 | - | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Certain BIOS versions may include an AMI Test Key that could compromise Secure Boot protections - Lenovo Support | af854a3a-2127-422b-91ae-364da2661108 | support.lenovo.com | Mitigation, Vendor Advisory |
| Lenovo Secure Boot CVE-2016-5247 Local Security Bypass Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.