Prior to August 10, 2020, some Lenovo Desktop and Workstation systems were shipped with the Embedded Host Based Configuration (EHBC) feature
Prior to August 10, 2020, some Lenovo Desktop and Workstation systems were shipped with the Embedded Host Based Configuration (EHBC) feature of Intel AMT enabled. This could allow an administrative user with local access to configure Intel AMT.
- Published
- Nov 11, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.6% · 44th percentile
- CWE
- CWE-16
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.7 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
CNA vs NVD score
- NVD
- 6.7
- CNA · lenovo
- 6.7
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lenovo | thinkcentre m80t firmware | cpe:2.3:o:lenovo:thinkcentre_m80t_firmware |
| lenovo | thinkcentre m80t | cpe:2.3:h:lenovo:thinkcentre_m80t |
| lenovo | thinkcentre m80s firmware | cpe:2.3:o:lenovo:thinkcentre_m80s_firmware |
| lenovo | thinkcentre m80s | cpe:2.3:h:lenovo:thinkcentre_m80s |
| lenovo | thinkcentre m90t firmware | cpe:2.3:o:lenovo:thinkcentre_m90t_firmware |
| lenovo | thinkcentre m90t | cpe:2.3:h:lenovo:thinkcentre_m90t |
| lenovo | thinkcentre m90s firmware | cpe:2.3:o:lenovo:thinkcentre_m90s_firmware |
| lenovo | thinkcentre m90s | cpe:2.3:h:lenovo:thinkcentre_m90s |
| lenovo | thinkcentre m910z firmware | cpe:2.3:o:lenovo:thinkcentre_m910z_firmware |
| lenovo | thinkcentre m910z | cpe:2.3:h:lenovo:thinkcentre_m910z |
| lenovo | thinkcentre m920s firmware | cpe:2.3:o:lenovo:thinkcentre_m920s_firmware |
| lenovo | thinkcentre m920s | cpe:2.3:h:lenovo:thinkcentre_m920s |
and 16 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lenovo thinkcentre m80s firmwarebefore 2020-08-10
- lenovo thinkcentre m80t firmwarebefore 2020-08-10
- lenovo thinkcentre m90s firmwarebefore 2020-08-10
- lenovo thinkcentre m90t firmwarebefore 2020-08-10
- lenovo thinkcentre m910z firmwarebefore 2020-08-10
- lenovo thinkcentre m920q firmwarebefore 2020-08-10
- lenovo thinkcentre m920s firmwarebefore 2020-08-10
- lenovo thinkcentre m920t firmwarebefore 2020-08-10
- lenovo thinkcentre m920z firmwarebefore 2020-08-10
- lenovo thinkstation p330 tiny firmwarebefore 2020-08-10
- lenovo thinkstation p330s firmwarebefore 2020-08-10
- lenovo thinkstation p330t firmwarebefore 2020-08-10
- lenovo thinkstation p340s firmwarebefore 2020-08-10
- lenovo thinkstation p340t firmwarebefore 2020-08-10
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 Desktop and Workstation systems
- unspecified and later · before variousaffected
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.
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 researchersFinders, 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.
- Administrator privileges are required.
- 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-16 · ConfigurationCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/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
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.