On Lenovo VIBE mobile phones, the Lenovo Security Android application allows private data to be backed up and restored via Android Debug Bri
On Lenovo VIBE mobile phones, the Lenovo Security Android application allows private data to be backed up and restored via Android Debug Bridge, which allows tampering leading to privilege escalation in conjunction with CVE-2017-3748 and CVE-2017-3749.
- Published
- Jun 29, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.1% · 3th percentile
- CWE
- —
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Report tools
Action score
25
Monitor
Low priority for now.
- CVSS
- 25 / 40 · 6.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lenovo | vibe a1600 | cpe:2.3:h:lenovo:vibe_a1600 |
| lenovo | vibe a2560 | cpe:2.3:h:lenovo:vibe_a2560 |
| lenovo | vibe a2800 | cpe:2.3:h:lenovo:vibe_a2800 |
| lenovo | vibe a2860 | cpe:2.3:h:lenovo:vibe_a2860 |
| lenovo | vibe a2880 | cpe:2.3:h:lenovo:vibe_a2880 |
| lenovo | vibe a3000 | cpe:2.3:h:lenovo:vibe_a3000 |
| lenovo | vibe a3500 | cpe:2.3:h:lenovo:vibe_a3500 |
| lenovo | vibe a3600-d | cpe:2.3:h:lenovo:vibe_a3600-d |
| lenovo | vibe a3600u | cpe:2.3:h:lenovo:vibe_a3600u |
| lenovo | vibe a3800-d | cpe:2.3:h:lenovo:vibe_a3800-d |
| lenovo | vibe a3900 | cpe:2.3:h:lenovo:vibe_a3900 |
| lenovo | vibe a6000 | cpe:2.3:h:lenovo:vibe_a6000 |
and 9 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- google androidup to 5.1.1 inclusive
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 Vibe and Lenovo China-only Moto Mobile Phones
- Earlier than 6.0affected
Same product
lenovo: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-3748On Lenovo VIBE mobile phones, improper access controls on the nac_server component can be abused in conjunction with CVE-2017-3749 and CVE-231Monitor
- CVE-2017-3749On Lenovo VIBE mobile phones, the Idea Friend Android application allows private data to be backed up and restored via Android Debug Bridge,25Monitor
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.
- Special conditions such as timing or configuration are required.
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
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.0/AV:P/AC:H/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.
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.