SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18366

Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible…

MEDIUM 6.5EPSS 0.39%

Does this matter?

Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.

Description

Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.39% probability · 32th percentile
CISA KEV
Not listed
Weakness
CWE-908
Affected
symantec/endpoint protection · symantec/endpoint protection cloud · symantec/endpoint protection cloud agent · symantec/norton security
Source
secure@symantec.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.