How severe is CVE-2018-3970?

CVE-2018-3970 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-3970 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3970?

CVE-2018-3970 affects Sophos Hitmanpro.alert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3970?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3970 published?

CVE-2018-3970 was published on 2018-10-25 and last updated on 2026-06-17.

CVE-2018-3970

CVE-2018-3970 is a medium-severity vulnerability in Sophos Hitmanpro.alert with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-908.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Sophos Hitmanpro.alert
Published: 2018-10-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-3970?: 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.
How severe is CVE-2018-3970?: CVE-2018-3970 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-3970 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3970?: CVE-2018-3970 affects Sophos Hitmanpro.alert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3970?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3970 published?: CVE-2018-3970 was published on 2018-10-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sophos:hitmanpro.alert:3.7.6.744:*:*:*:*:*:*:*

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