What’s Vulnerable › Vulnerabilities

CVE-2018-18369

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-25 · updated 2026-06-17
• Weakness: CWE-426

Description

Norton Security (Windows client) prior to 22.16.3 and SEP SBE (Windows client) prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22 & SEP-12.1.7484.7002, may be susceptible to a DLL Preloading vulnerability, which is a type of issue that can occur when an application looks to call a DLL for execution and an attacker provides a malicious DLL to use instead.

Affected products

• Symantec Endpoint Protection: nis-22.15.2.22, sep-12.1.7484.7002
• Symantec Endpoint Protection Cloud: before 22.16.3 — fixed in 22.16.3
• Symantec Endpoint Protection Cloud Agent: before 3.00.31.2817 — fixed in 3.00.31.2817
• Symantec Corporation Norton Security: before 22.16.3 — fixed in 22.16.3

How to fix

Upgrade to a fixed version: Symantec Endpoint Protection Cloud 22.16.3; Symantec Endpoint Protection Cloud Agent 3.00.31.2817; Symantec Corporation Norton Security 22.16.3. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/107997
• https://support.symantec.com/en_US/article.SYMSA1479.html
• http://www.securityfocus.com/bid/107997
• https://support.symantec.com/en_US/article.SYMSA1479.html

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