5.5

CVE-2018-3970: sophos hitmanpro.alert Use of Uninitialized Resource

CVSS: 5.5v3.1MediumModified
Published 25-10-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-3970 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in sophos hitmanpro.alert. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 25-10-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.49% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Sophos1 product
Talos1 product
  • sophosSophos Hitmanro.Alert - hmpalert.sys 3.7.6.744

2 vendors · 2 products

References

2 links