6.5

CVE-2018-18366: symantec corporation norton security Use of Uninitialized Resource

CVSS: 6.5v3.0MediumModified
Published 25-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18366 is a medium (CVSS 6.5) Use of Uninitialized Resource vulnerability in symantec corporation norton security. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

0.00 pp

From 0.39% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Symantec4 products
  • endpoint_protection11.0 | 11.0:mr1 | 11.0:mr2 | 11.0:mr3 | 11.0:mr4 | 11.0:mr4-mp2 | 11.0:ru5 | 11.0:ru6 | 11.0:ru6-mp1 | 11.0:ru6-mp2 | 11.0:ru6-mp3 | 11.0:ru6a | 11.0:ru7 | 11.0:ru7-mp1 | 11.0:ru7-mp2 | 11.0:ru7-mp4 | 11.0:ru7-mp4a | 11.0:ry7-mp3 | 12.1 | 12.1:ru1 | 12.1:ru1-mp1 | 12.1:ru2 | 12.1:ru2-mp1 | 12.1:ru3 | 12.1:ru4 | 12.1:ru4-mp1 | 12.1:ru4-mp1a | 12.1:ru4-mp1b | 12.1:ru4a | 12.1:ru5 | 12.1:ru6 | 12.1:ru6-mp1 | 12.1:ru6-mp10 | 12.1:ru6-mp2 | 12.1:ru6-mp3 | 12.1:ru6-mp4 | 12.1:ru6-mp5 | 12.1:ru6-mp6 | 12.1:ru6-mp7 | 12.1:ru6-mp8 | 14 | 14:mp1 | 14.0.0:mp2 | 14.0.1 | 14.0.1:mp1 | 14.0.1:mp2 | 14.2 | 14.2:mp1 | nis-22.15.2.22 | sep-12.1.7484.7002
  • endpoint_protection_cloud< 22.16.3
  • endpoint_protection_cloud_agent< 3.00.31.2817
  • norton_security< 22.16.3
Symantec corporation4 products

2 vendors · 8 products

References

2 links