HOMEVULNERABILITIESCVE-2018-3693
MEDIUM

CVE-2018-3693

NVD-CWE-noinfoPublished: July 10, 2018· Updated: Jun 17, 2026

5.6
CVSS v3.1

Official Description

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.

NVD Source

Technical Analysis

CVE-2018-3693 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Vendors & Products

arm2 product(s)
cortex-acortex-r
fujitsu6 product(s)
m12-1 firmwarem12-1m12-2 firmwarem12-2m12-2s firmwarem12-2s
intel208 product(s)
atom catom eatom x3atom zceleron jceleron ncore i3core i5core i7core mcore m3core m5+196
netapp1 product(s)
solidfire element os management node
Oracle2 product(s)
communications eagle application processorcommunications lsms
Red Hat8 product(s)
enterprise linuxenterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux server ausenterprise linux server eusenterprise linux server tusenterprise linux workstation
schneider-electric1 product(s)
struxureware data center expert
Source: NVD CPE · 1095 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (22)

Quick Facts

CVE IDCVE-2018-3693
CVSS Score5.6 / 10
SeverityMEDIUM
CISA KEVNo
Affected7 vendor(s)
PublishedJul 10, 2018

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-3693 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.