HOMEVULNERABILITIESCVE-2018-3970
MEDIUM

CVE-2018-3970

CWE-908Published: October 25, 2018· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2018-3970 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 5.5.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

sophos1 product(s)
hitmanpro.alert
Source: NVD CPE · 1 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 (4)

http://www.securityfocus.com/bid/105743Broken Link · Third Party Advisory · VDB Entry
http://www.securityfocus.com/bid/105743Broken Link · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-3970
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-908
CISA KEVNo
Affected1 vendor(s)
PublishedOct 25, 2018

Related CVEs (CWE-908)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-3970 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.