Is CVE-2023-39203 in the CISA KEV catalog?

No. CVE-2023-39203 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39203?

CVE-2023-39203 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-39203?

CVE-2023-39203 has an EPSS score of 0.93% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39203?

Upgrade virtual desktop infrastructure to 5.15.11 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-39203

MEDIUM

4.3

CVSS v3

NVD

Description

Uncontrolled resource consumption in Zoom Team Chat for Zoom Desktop Client for Windows and Zoom VDI Client may allow an unauthenticated user to conduct a disclosure of information via network access.

CWE-789

How to fix

Remediation Available

virtual desktop infrastructureNVD

Affected:>= 5.15.0, < 5.15.11Fixed in:5.15.11CVE-2023-39203derived from NVD

zoomNVD

Affected:< 5.16.0Fixed in:5.16.0CVE-2023-39203derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.93%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory1

explore.zoom.us

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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.