CVE-2018-5243

Name: CVE-2018-5243
Creator: NVD / NIST
Published: 2018-08-20T18:29:00.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.79%

Last modified Jun 17, 2026

CVE-2018-5243 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.79%

75.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Symantec	Encryption Management Server	<= 3.4.2

References

http://www.securityfocus.com/bid/105062Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041527Third Party Advisory, VDB Entry
https://support.symantec.com/en_US/article.SYMSA1458.htmlMitigation, Vendor Advisory
http://www.securityfocus.com/bid/105062Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041527Third Party Advisory, VDB Entry
https://support.symantec.com/en_US/article.SYMSA1458.htmlMitigation, Vendor Advisory

Timeline

Published: Aug 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5243?

How severe is CVE-2018-5243?

Severity scoring for CVE-2018-5243 is pending analysis. The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5243?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5243?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST