A vulnerability has been identified in some Lenovo products that use UEFI (BIOS) code developed by American Megatrends, Inc.
A vulnerability has been identified in some Lenovo products that use UEFI (BIOS) code developed by American Megatrends, Inc. (AMI). With this vulnerability, conditions exist where an attacker with administrative privileges or physical access to a system may be able to run specially crafted code that can allow them to bypass system protections such as Device Guard and Hyper-V.
- Published
- Aug 9, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 42th percentile
- CWE
- CWE-94
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lenovo | ideacentre 300-20ish firmware | cpe:2.3:o:lenovo:ideacentre_300-20ish_firmware |
| lenovo | ideacentre 300-20ish | cpe:2.3:h:lenovo:ideacentre_300-20ish |
| lenovo | ideacentre 300s-11ish firmware | cpe:2.3:o:lenovo:ideacentre_300s-11ish_firmware |
| lenovo | ideacentre 300s-11ish | cpe:2.3:h:lenovo:ideacentre_300s-11ish |
| lenovo | ideacentre 510s-08ish firmware | cpe:2.3:o:lenovo:ideacentre_510s-08ish_firmware |
| lenovo | ideacentre 510s-08ish | cpe:2.3:h:lenovo:ideacentre_510s-08ish |
| lenovo | ideacentre 700 firmware | cpe:2.3:o:lenovo:ideacentre_700_firmware |
| lenovo | ideacentre 700 | cpe:2.3:h:lenovo:ideacentre_700 |
| lenovo | 63 firmware | cpe:2.3:o:lenovo:63_firmware |
| lenovo | 63 | cpe:2.3:h:lenovo:63 |
| lenovo | h50-30g firmware | cpe:2.3:o:lenovo:h50-30g_firmware |
| lenovo | h50-30g | cpe:2.3:h:lenovo:h50-30g |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lenovo 63 firmwarefckt78a
- lenovo h50-30g firmwarefckt78a
- lenovo ideacentre 300-20ish firmwareall versions
- lenovo ideacentre 300s-11ish firmwareall versions
- lenovo ideacentre 510s-08ish firmwareall versions
- lenovo ideacentre 510s-23isu firmwareo2ekt24a
- lenovo ideacentre 700 firmwareall versions
- lenovo m4500 firmwarefckt78a
- lenovo m4500 id firmwarefckt78a
- lenovo m4550 id firmwarefckt78a
- lenovo s200z firmwarem09kt33a
- lenovo s500 firmwarem0kkt24a
- lenovo thinkcentre e73 firmwarefckt78a
- lenovo thinkcentre e73s firmwarefckt78a
- lenovo thinkcentre e73z (aio) firmwarefgkt49a
- lenovo thinkcentre e74 firmwarem05kt54a
- lenovo thinkcentre e74s firmwarem05kt54a
- lenovo thinkcentre e74z firmwarefvkt48a
- lenovo thinkcentre e75 t/s firmwareall versions
- lenovo thinkcentre e79 firmwarem0lkt12a
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. Desktop and Notebook BIOS
- 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
- Physical access to the device is required.
- No account or password is 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
- Physical
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-94 · Improper Control of Generation of Code ('Code Injection')CVSS vector
CVSS:3.0/AV:P/AC:L/PR:N/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.
Attack patterns (CAPEC)
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.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.