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CVE-2023-39215

21
FAUCET Score

CVE-2023-39215 describes an improper authentication vulnerability in Zoom clients, including the Meeting SDK, VDI, and standard Zoom applications. An authenticated attacker can exploit this flaw over the network to trigger a denial of service. With a CVSS score of 6.5 (Medium), the vulnerability has low attack complexity and requires low privileges, but its impact is limited to availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.15.5CPE matchmatch criteria
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:android:*:*
< 5.14.12CPE matchmatch criteria
cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
>= 5.15.0, < 5.15.4CPE matchmatch criteria
cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
< 5.15.5CPE matchmatch criteria
cpe:2.3:a:zoom:zoom:*:*:*:*:*:android:*:*
< 5.15.5CPE matchmatch criteria
cpe:2.3:a:zoom:zoom:*:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 69th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

explore.zoom.us / en/trust/security/security-bulletin
Vendor Advisory