Is CVE-2023-39215 in the CISA KEV catalog?

No. CVE-2023-39215 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39215?

CVE-2023-39215 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-39215?

CVE-2023-39215 has an EPSS score of 0.92% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39215?

Upgrade meeting software development kit to 5.15.5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-39215

HIGH

7.1

CVSS v3

NVD

Description

Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network access.

CWE-449 CWE-287Improper Authentication

How to fix

Remediation Available

meeting software development kitNVD

Affected:< 5.15.5Fixed in:5.15.5CVE-2023-39215derived from NVD

virtual desktop infrastructureNVD

Affected:>= 5.15.0, < 5.15.4Fixed in:5.15.4CVE-2023-39215derived from NVD

zoomNVD

Affected:< 5.15.5Fixed in:5.15.5CVE-2023-39215derived 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

ConfidentialityLow

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.92%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.