How severe is CVE-2020-5754?

CVE-2020-5754 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2020-5754 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5754?

CVE-2020-5754 affects Webroot Endpoint Agents. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5754?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-5754 published?

CVE-2020-5754 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-5754

CVE-2020-5754 is a critical-severity vulnerability in Webroot Endpoint Agents with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Webroot Endpoint Agents
Published: 2020-06-15
Last modified: 2026-06-17

Description

Webroot endpoint agents prior to version v9.0.28.48 allows remote attackers to trigger a type confusion vulnerability over its listening TCP port, resulting in crashing or reading memory contents of the Webroot endpoint agent.

Frequently asked questions

What is CVE-2020-5754?: Webroot endpoint agents prior to version v9.0.28.48 allows remote attackers to trigger a type confusion vulnerability over its listening TCP port, resulting in crashing or reading memory contents of the Webroot endpoint agent.
How severe is CVE-2020-5754?: CVE-2020-5754 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2020-5754 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5754?: CVE-2020-5754 affects Webroot Endpoint Agents. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5754?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-5754 published?: CVE-2020-5754 was published on 2020-06-15 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2020-36

Affected products (1)

cpe:2.3:a:webroot:endpoint_agents:*:*:*:*:*:*:*:*

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