Is CVE-2020-3998 in the CISA KEV catalog?

No. CVE-2020-3998 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3998?

CVE-2020-3998 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-3998?

CVE-2020-3998 has an EPSS score of 1.27% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3998?

Upgrade horizon client to 5.5.0 or later.

CVE & CISA-KEV Catalog

CVE-2020-3998

MEDIUM

6.5

CVSS v3

NVD

Description

VMware Horizon Client for Windows (5.x prior to 5.5.0) contains an information disclosure vulnerability. A malicious attacker with local privileges on the machine where Horizon Client for Windows is installed may be able to retrieve hashed credentials if the client crashes.

How to fix

Remediation Available

horizon clientNVD

Affected:>= 5.0.0, < 5.5.0Fixed in:5.5.0CVE-2020-3998derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.27%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch1

vmware.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.