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CVE-2018-9062· NVD / CVE Program· CNA lenovo

BIOS Modules Unprotected by Intel Boot Guard Vulnerable to Physical Attack

In some Lenovo ThinkPad products, one BIOS region is not properly included in the checks, allowing injection of arbitrary code.

MediumCVSS 6.8 · v3.1—No exploit No fix recorded
Published
Jul 19, 2018
Updated
Jun 16, 2026
EPSS
0.5% · 42th percentile
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JSON

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

VendorProduct
lenovoe42-80 firmware
lenovoe42-80
lenovoe42-80 isk firmware
lenovoe42-80 isk
lenovoe52-80 firmware
lenovoe52-80
lenovoe52-80 isk firmware
lenovoe52-80 isk
lenovomiix 720-12ikb firmware
lenovomiix 720-12ikb
lenovov310-14ikb firmware
lenovov310-14ikb

and 85 more

Affected versions

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

  • lenovo e42-80 firmwarebefore 2wcn40ww
  • lenovo e42-80 isk firmwarebefore 0zcn48ww
  • lenovo e52-80 firmwarebefore 2wcn40ww
  • lenovo e52-80 isk firmwarebefore 0zcn48ww
  • lenovo miix 720-12ikb firmwarebefore 3scn68ww
  • lenovo thinkpad e480 firmwarebefore r0pet47w
  • lenovo thinkpad e580 firmwarebefore r0pet47w
  • lenovo thinkpad l380 firmwarebefore r0ret28w
  • lenovo thinkpad l480 firmwarebefore r0qet47w
  • lenovo thinkpad l580 firmwarebefore r0qet47w
  • lenovo thinkpad p51 firmwarebefore n1uet71w
  • lenovo thinkpad p51s firmwarebefore n1vet45w
  • lenovo thinkpad p52 firmwarebefore n2cet28w
  • lenovo thinkpad p52s firmwarebefore n27et27w
  • lenovo thinkpad p71 firmwarebefore n1tet50w
  • lenovo thinkpad p72 firmwarebefore n2cet28w
  • lenovo thinkpad s1 firmwarebefore r0het48w
  • lenovo thinkpad t25 firmwarebefore n1qet77w
  • lenovo thinkpad t470 firmwarebefore n1qet77w
  • lenovo thinkpad t470p firmwarebefore r0fet44w

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. some Lenovo ThinkPads

    • variousaffected

Same product

lenovo: all records

Other highest-scoring records for the same primary product.

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

  • 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-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSS vector

CVSS:3.1/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.

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 help

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