CVE-2023-49646

mediumpriority · track · 26EPSS 0.004 · 34 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 6.5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Lsecondary · ENISA EU

v3.16.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Lsecondary · security@zoom.usexploitability 3.1 · impact 2.7

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-347US

affected products (6)

Products and version ranges known to be affected.

Zoom Video Communications, Inc. Zoom Clients≤ See referencesenisa_euvdEU
zoom meeting software development kit< 5.16.5nvdUScpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:*:*:*
zoom video software development kit< 5.16.5nvdUScpe:2.3:a:zoom:video_software_development_kit:*:*:*:*:*:*:*:*
zoom virtual desktop infrastructure< 5.14.14nvdUScpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
zoom virtual desktop infrastructure5.15.0 → 5.15.12nvdUScpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
zoom zoom< 5.16.5nvdUScpe:2.3:a:zoom:zoom:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3122Zoom Video Communications Zoom Client: Mehrere SchwachstellenDeutsch2023-12-12csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Zoom Video Communications Zoom Client ausnutzen, um Informationen offenzulegen, einen Denial of Service zu verursachen oder seine Rechte zu erweitern.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-12-13modified 2026-06-17

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+7709 more

references (4)

External citations — patches, advisories, analysis.

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