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CVE-2018-5243

7.5 · HIGH

The Symantec Encryption Management Server (SEMS) product, prior to version 3.4.2 MP1, may be susceptible to a denial of service (DoS) exploit.

Published Aug 20, 2018CWE-400EPSS 1.79%

Overview

CVE-2018-5243 is a high-severity vulnerability. It was published on August 20, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/105062Refwww.securitytracker.com/id/1041527Refsupport.symantec.com/en_US/article.SYMSA1458.htmlRefwww.securityfocus.com/bid/105062Refwww.securitytracker.com/id/1041527Refsupport.symantec.com/en_US/article.SYMSA1458.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-5243?

CVE-2018-5243 is a high-severity vulnerability. It was published on August 20, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2018-5243?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-5243?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-5243?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-5243 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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