HOMEVULNERABILITIESCVE-2017-3749
MEDIUM

CVE-2017-3749

NVD-CWE-noinfoPublished: June 29, 2017· Updated: Jun 17, 2026

6.4
CVSS v3.1

Official Description

On Lenovo VIBE mobile phones, the Idea Friend 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-2017-3750.

NVD Source

Technical Analysis

CVE-2017-3749 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Google1 product(s)
android
Lenovo20 product(s)
vibe a1600vibe a2560vibe a2800vibe a2860vibe a2880vibe a3000vibe a3500vibe a3600-dvibe a3600uvibe a3800-dvibe a3900vibe a6000+8
Source: NVD CPE · 21 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.lenovo.com/us/en/product_security/LEN-15823
ADVISORYhttps://support.lenovo.com/us/en/product_security/LEN-15823

All References (2)

→
https://support.lenovo.com/us/en/product_security/LEN-15823Mitigation · Vendor Advisory
→
https://support.lenovo.com/us/en/product_security/LEN-15823Mitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2017-3749
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJun 29, 2017

Related CVEs (NVD-CWE-noinfo)

CVE-2017-10137
10.0
CVE-2018-4091
10.0
CVE-2016-4787
10.0
CVE-2017-10912
10.0
CVE-2018-4872
10.0
CVE-2018-1722
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-3749 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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