How severe is CVE-2023-39215?

CVE-2023-39215 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2023-39215 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39215?

CVE-2023-39215 primarily affects Zoom Meeting Software Development Kit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-39215?

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

When was CVE-2023-39215 published?

CVE-2023-39215 was published on 2023-09-12 and last updated on 2026-06-17.

CVE-2023-39215

CVE-2023-39215 is a high-severity vulnerability in Zoom Meeting Software Development Kit with a CVSS 3.x base score of 7.1. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Zoom Meeting Software Development Kit
Published: 2023-09-12
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-39215?: Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network access.
How severe is CVE-2023-39215?: CVE-2023-39215 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2023-39215 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39215?: CVE-2023-39215 primarily affects Zoom Meeting Software Development Kit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-39215?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-39215 published?: CVE-2023-39215 was published on 2023-09-12 and last updated on 2026-06-17.

References

https://explore.zoom.us/en/trust/security/security-bulletin/

Affected products (7)

cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:android:*:*
cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
cpe:2.3:a:zoom:zoom:*:*:*:*:*:android:*:*
cpe:2.3:a:zoom:zoom:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:zoom:zoom:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:zoom:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:*

More vulnerabilities in Zoom Meeting Software Development Kit

CVE-2025-49457 — Critical (CVSS 9.6): Untrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of…
CVE-2024-24691 — Critical (CVSS 9.6): Improper input validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for…
CVE-2025-30663 — High (CVSS 8.8): Time-of-check time-of-use race condition in some Zoom Workplace Apps may allow an authenticated user to conduct an…
CVE-2025-0147 — High (CVSS 8.8): Type confusion in the Zoom Workplace App for Linux before 6.2.10 may allow an authorized user to conduct an escalation…
CVE-2023-49647 — High (CVSS 8.8): Improper access control in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom SDKs for Windows…
CVE-2025-27440 — High (CVSS 8.5): Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via…

All CVEs affecting Zoom Meeting Software Development Kit →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →