CVE-2020-5824

CVE-2020-5824 is a medium-severity vulnerability in Symantec Endpoint Protection with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 5.5)
• CVSS v2: 2.1
• EPSS exploit prediction: 0% (26th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Symantec Endpoint Protection
• Published: 2020-02-11
• Last modified: 2026-06-17

Description

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 denial of service vulnerability, which is a type of issue whereby a threat actor attempts to tie up the resources of a resident application, thereby making certain functions unavailable.

Frequently asked questions

What is CVE-2020-5824?

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 denial of service vulnerability, which is a type of issue whereby a threat actor attempts to tie up the resources of a resident application, thereby making certain functions unavailable.

How severe is CVE-2020-5824?

CVE-2020-5824 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-5824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5824?

CVE-2020-5824 primarily affects Symantec Endpoint Protection. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-5824 published?

CVE-2020-5824 was published on 2020-02-11 and last updated on 2026-06-17.

References

• https://support.symantec.com/us/en/article.SYMSA1505.html

Affected products (77)

• cpe:2.3:a:symantec:endpoint_protection:11.0:-:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr3:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr4:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr4-mp1a:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:mr4-mp2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru5:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru6:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp3:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru6a:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp3:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4a:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:-:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru1-p1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru2-mp1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru3:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru4:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1a:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1b:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru4a:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru5:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp1:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp2:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp3:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp4:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp5:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp6:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp7:*:*:*:*:*:*
• cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp8:*:*:*:*:*:*

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