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01 Record

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,

UnratedPUBLISHEDCNA: symantec
CNA base scoreUnratedNo CNA CVSS vector

02 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,

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.38% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 32.3% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-04-25 19:13Z7 YR AGO
Last updated
2024-08-05 11:08Z2 YR AGO
Reserved
2018-10-15
Assigning CNA
symantec
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-908Use of Uninitialized ResourceBase
Data version
5.1
Document digest
3fddbe8248ba9e659a35233f3f709576c4d3f802eb12035efbf5376caa97b2b8

05 Affected products

VendorProductVersionsPlatforms
Symantec CorporationNorton SecurityPrior to 22.16.3—
Symantec CorporationSEP (Windows client)Prior to and including 12.1 RU6 MP9, Prior to 14.2 RU1—
Symantec CorporationSEP SBEPrior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002—
Symantec CorporationSEP CloudPrior to 22.16.3—

06 References