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Vulnerabilities

Vulnerability · CVE-2025-30668

Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.

Published May 14, 2025 · catalog updated Oct 2, 2025 · Zoom Communications, Inc Zoom Workplace Apps

Check if you run it

No confirmed exploitation is on record for CVE-2025-30668. EPSS is 0.55%. Act only if a listed version of Zoom Communications, Inc Zoom Workplace Apps is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.55%
Remediation
Advisory link
Affected products
vendor Zoom Communications, Inc Zoom Workplace Apps see references

Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Zoom Communications, Inc Zoom Workplace Apps see referencessee references

How to fix CVE-2025-30668

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-30668. EPSS is 0.55%. Act only if a listed version of Zoom Communications, Inc Zoom Workplace Apps is installed.

Which versions are affected?

Compare what you have installed with Zoom Communications, Inc Zoom Workplace Apps see references see references. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.55%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2025 · EUVD

    Detected

    Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.

  2. Oct 2, 2025 · EUVD

    Updated

    Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.

Sources

  • CVE.orgVulnerability recordCVE-2025-30668

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-30668

    30-day exploitation probability 0.6%

    first.org
  • EUVDVulnerability recordEUVD-2025-14912

    Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.