Some Lenovo brand notebook systems do not have write protections properly configured in the system BIOS.
Some Lenovo brand notebook systems do not have write protections properly configured in the system BIOS. This could enable an attacker with physical or administrative access to a system to be able to flash the BIOS with an arbitrary image and potentially run malicious BIOS code.
- Published
- Jul 17, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.3% · 25th percentile
- CWE
- —
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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 · 0.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lenovo | bios | cpe:2.3:o:lenovo:bios |
| lenovo | 710s-13ikb\/xiaoxin air 13ikb | cpe:2.3:h:lenovo:710s-13ikb\/xiaoxin_air_13ikb |
| lenovo | 710s-13isk\/xiaoxin air 13 | cpe:2.3:h:lenovo:710s-13isk\/xiaoxin_air_13 |
| lenovo | k21-80 | cpe:2.3:h:lenovo:k21-80 |
| lenovo | k22-80\/lenovo v720-12 | cpe:2.3:h:lenovo:k22-80\/lenovo_v720-12 |
| lenovo | k41-80 | cpe:2.3:h:lenovo:k41-80 |
| lenovo | lenovo ideapad 110-14ast | cpe:2.3:h:lenovo:lenovo_ideapad_110-14ast |
| lenovo | lenovo ideapad 110-15ast | cpe:2.3:h:lenovo:lenovo_ideapad_110-15ast |
| lenovo | lenovo ideapad 320-14ast | cpe:2.3:h:lenovo:lenovo_ideapad_320-14ast |
| lenovo | lenovo ideapad 320-15ast | cpe:2.3:h:lenovo:lenovo_ideapad_320-15ast |
| lenovo | lenovo xiaoxin rui7000 | cpe:2.3:h:lenovo:lenovo_xiaoxin_rui7000 |
| lenovo | miix 710-12ikb | cpe:2.3:h:lenovo:miix_710-12ikb |
and 8 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lenovo 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. Lenovo Notebook BIOS
- Variousaffected
Same product
lenovo: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-5247The BIOS for Lenovo ThinkCentre E93, M6500t/s, M6600, M6600q, M6600t/s, M73p, M800, M83, M8500t/s, M8600t/s, M900, M93, and M93P devices; Th31Monitor
- CVE-2023-25493A potential vulnerability was reported in the BIOS update tool driver for some Desktop, Smart Edge, Smart Office, and ThinkStation products 26Monitor
- CVE-2021-3452A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and e26Monitor
- CVE-2016-8224A vulnerability has been identified in some Lenovo Notebook and ThinkServer systems where an attacker with administrative privileges on a sy17Monitor
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)
—
CVSS vector
CVSS:3.0/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.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.