Is CVE-2015-5684 actively exploited?

No active exploitation of CVE-2015-5684 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2015-5684 be exploited remotely?

Yes. CVE-2015-5684 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2015-5684?

CVE-2015-5684 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2015-5684

CRITICAL

CVE-2015-5684

CWE-120Published: March 27, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

MITRE is populating this ID because it was assigned prior to Lenovo becoming a CNA. A buffer overflow vulnerability was reported, (fixed and publicly disclosed in 2015) in the Lenovo Service Engine (LSE), affecting various versions of BIOS for Lenovo Notebooks, that could allow a remote user to execute arbitrary code on the system.

NVD Source

Technical Analysis

CVE-2015-5684 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Lenovo54 product(s)

b50-10 firmwareb50-10flex 2 pro-15 firmwareflex 2 pro-15edge 15 firmwareedge 15flex 3-1470 firmwareflex 3-1470flex 3-1570 firmwareflex 3-1570flex 3-1120 firmwareflex 3-1120+42

Source: NVD CPE · 54 total CPE entries