CVE-2025-49460Network attack vector

Service interruption via undisclosed resource consumption

Published Sep 9, 2025 · Updated Sep 10, 2025

Uncontrolled resource consumption in Zoom Workplace before 6.5.0 allows remote attackers to interrupt service via network access. Zoom has not disclosed the affected component, the triggering input, or the operation that consumes resources without an effective bound. Exploitation is unauthenticated but requires user interaction and affects availability only, with no reported data access or modification.

CVSS severity7.5
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in Zoom Workplace before 6.5.0 allows remote attackers to interrupt service via network access. Zoom has not disclosed the affected component, the triggering input, or the operation that consumes resources without an effective bound. Exploitation is unauthenticated but requires user interaction and affects availability only, with no reported data access or modification.

The record

CVE
CVE-2025-49460
Published
Sep 9, 2025
Updated
Sep 10, 2025
Vendor
Zoom Video Communications, Inc.
Product
Zoom Workplace
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <see references

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Workplaceversion=0 <see references

Published CVSS scores

4.3Zoom Communications, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
7.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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