What’s Vulnerable › Vulnerabilities

CVE-2018-5243

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-20 · updated 2026-06-17
• Weakness: CWE-400

Description

The Symantec Encryption Management Server (SEMS) product, prior to version 3.4.2 MP1, may be susceptible to a denial of service (DoS) exploit. A DoS attack is a type of attack whereby the perpetrator attempts to make a particular machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a specific host within a network.

Affected products

• Symantec Corporation Symantec Encryption Management Server (SEMS): through 3.4.2

References

• http://www.securityfocus.com/bid/105062
• http://www.securitytracker.com/id/1041527
• https://support.symantec.com/en_US/article.SYMSA1458.html
• http://www.securityfocus.com/bid/105062
• http://www.securitytracker.com/id/1041527
• https://support.symantec.com/en_US/article.SYMSA1458.html

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