Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 4 products from symantec, from symantec, from symantec and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2019-04-25T20:29:02.177

Last Modified

2024-11-21T03:55:48.100

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-908

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 11.0 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 12.1 Yes
Application symantec endpoint_protection 14 Yes
Application symantec endpoint_protection 14 Yes
Application symantec endpoint_protection 14.0.0 Yes
Application symantec endpoint_protection 14.0.1 Yes
Application symantec endpoint_protection 14.0.1 Yes
Application symantec endpoint_protection 14.0.1 Yes
Application symantec endpoint_protection 14.2 Yes
Application symantec endpoint_protection 14.2 Yes
Application symantec endpoint_protection nis-22.15.2.22 Yes
Application symantec endpoint_protection sep-12.1.7484.7002 Yes
Application symantec endpoint_protection_cloud < 22.16.3 Yes
Application symantec endpoint_protection_cloud_agent < 3.00.31.2817 Yes
Application symantec norton_security < 22.16.3 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For symantec's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.