CVE-2020-5821: High severity Symantec Endpoint Protection vulnerability

Published Feb 11, 2020
·
Updated

Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to a DLL injection vulnerability, which is a type of issue whereby an individual attempts to execute their own code in place of legitimate code as a means to perform an exploit.

Affected Software

77 affected components
Symantec Endpoint Protection=11.0
Symantec Endpoint Protection=11.0-mr1
Symantec Endpoint Protection=11.0-mr2
Symantec Endpoint Protection=11.0-mr3
Symantec Endpoint Protection=11.0-mr4
Symantec Endpoint Protection=11.0-mr4-mp1a
Symantec Endpoint Protection=11.0-mr4-mp2
Symantec Endpoint Protection=11.0-ru5
Symantec Endpoint Protection=11.0-ru6
Symantec Endpoint Protection=11.0-ru6-mp1
Symantec Endpoint Protection=11.0-ru6-mp2
Symantec Endpoint Protection=11.0-ru6-mp3
Symantec Endpoint Protection=11.0-ru6a
Symantec Endpoint Protection=11.0-ru7
Symantec Endpoint Protection=11.0-ru7-mp1
Symantec Endpoint Protection=11.0-ru7-mp2
Symantec Endpoint Protection=11.0-ru7-mp3
Symantec Endpoint Protection=11.0-ru7-mp4
Symantec Endpoint Protection=11.0-ru7-mp4a
Symantec Endpoint Protection=12.1
Symantec Endpoint Protection=12.1-ru1
Symantec Endpoint Protection=12.1-ru1-p1
Symantec Endpoint Protection=12.1-ru2
Symantec Endpoint Protection=12.1-ru2-mp1
Symantec Endpoint Protection=12.1-ru3
Symantec Endpoint Protection=12.1-ru4
Symantec Endpoint Protection=12.1-ru4-mp1
Symantec Endpoint Protection=12.1-ru4-mp1a
Symantec Endpoint Protection=12.1-ru4-mp1b
Symantec Endpoint Protection=12.1-ru4a
Symantec Endpoint Protection=12.1-ru5
Symantec Endpoint Protection=12.1-ru6
Symantec Endpoint Protection=12.1-ru6-mp1
Symantec Endpoint Protection=12.1-ru6-mp2
Symantec Endpoint Protection=12.1-ru6-mp3
Symantec Endpoint Protection=12.1-ru6-mp4
Symantec Endpoint Protection=12.1-ru6-mp5
Symantec Endpoint Protection=12.1-ru6-mp6
Symantec Endpoint Protection=12.1-ru6-mp7
Symantec Endpoint Protection=12.1-ru6-mp8
Symantec Endpoint Protection=12.1-ru6-mp9
Symantec Endpoint Protection=14.0.0
Symantec Endpoint Protection=14.0.0-mp1
Symantec Endpoint Protection=14.0.0-mp2
Symantec Endpoint Protection=14.0.1
Symantec Endpoint Protection=14.0.1-mp1
Symantec Endpoint Protection=14.0.1-mp2
Symantec Endpoint Protection=14.2
Symantec Endpoint Protection=14.2-mp1
Symantec Endpoint Protection=14.2-ru1
Symantec Endpoint Protection=14.2-ru1_mp1
Symantec Endpoint Protection=14.2-ru2
Symantec Endpoint Protection=12.0-rtm
Symantec Endpoint Protection=12.0-ru1
Symantec Endpoint Protection=12.1
Symantec Endpoint Protection=12.1-ru1
Symantec Endpoint Protection=12.1-ru1-mp1
Symantec Endpoint Protection=12.1-ru2
Symantec Endpoint Protection=12.1-ru2-mp1
Symantec Endpoint Protection=12.1-ru3
Symantec Endpoint Protection=12.1-ru4
Symantec Endpoint Protection=12.1-ru4-mp1
Symantec Endpoint Protection=12.1-ru4-mp1a
Symantec Endpoint Protection=12.1-ru4-mp1b
Symantec Endpoint Protection=12.1-ru4a
Symantec Endpoint Protection=12.1-ru5
Symantec Endpoint Protection=12.1-ru6
Symantec Endpoint Protection=12.1-ru6_mp1
Symantec Endpoint Protection=12.1-ru6_mp10
Symantec Endpoint Protection=12.1-ru6_mp2
Symantec Endpoint Protection=12.1-ru6_mp3
Symantec Endpoint Protection=12.1-ru6_mp4
Symantec Endpoint Protection=12.1-ru6_mp5
Symantec Endpoint Protection=12.1-ru6_mp6
Symantec Endpoint Protection=12.1-ru6_mp7
Symantec Endpoint Protection=12.1-ru6_mp8
Symantec Endpoint Protection=12.1-ru6_mp9

Event History

Feb 11, 2020
CVE Published
via MITRE·05:02 PM
Data Sourced
via MITRE·05:02 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-5821?

CVE-2020-5821 has been rated as high severity due to its potential impact on system integrity through DLL injection.

2

How do I fix CVE-2020-5821?

To fix CVE-2020-5821, update Symantec Endpoint Protection to versions 14.2 RU2 MP1 or 14.2.5569.2100 or newer.

3

Which versions of Symantec Endpoint Protection are affected by CVE-2020-5821?

CVE-2020-5821 affects various versions prior to 14.2 RU2 MP1 and 14.2.5569.2100 across several releases of Symantec Endpoint Protection.

4

What type of vulnerability is CVE-2020-5821?

CVE-2020-5821 is a DLL injection vulnerability that allows malicious code execution.

5

Is my Symantec Endpoint Protection vulnerable to CVE-2020-5821?

If you are using a version of Symantec Endpoint Protection prior to 14.2 RU2 MP1 or 14.2.5569.2100, your system is vulnerable to CVE-2020-5821.

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