CVE-2023-36539

highpriority · track · 30EPSS 0.005 · 45 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 7.5 · high

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Exposure of information intended to be encrypted by some Zoom clients may lead to disclosure of sensitive information.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · security@zoom.usexploitability 1.6 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-326USprimaryCWE-200USCWE-325US

affected products (14)

Products and version ranges known to be affected.

Zoom Video Communications Zoom Client 5.15.0all versionscert_bundDEcpe:/a:zoom:zoom_client:5.15.0
Zoom Video Communications Zoom Client windows 5.15.1all versionscert_bundDEcpe:/a:zoom:zoom_client:windows_5.15.1
Zoom Video Communications, Inc. Zoom Clients≤ See references link for ZSB-23025enisa_euvdEU
zoom meetings= 5.15.0nvdUScpe:2.3:a:zoom:meetings:*:*:*:*:*:*:*:*
zoom meetings= 5.15.1nvdUScpe:2.3:a:zoom:meetings:*:*:*:*:*:*:*:*
zoom poly ccx 600 firmware= 5.15.0nvdUScpe:2.3:o:zoom:poly_ccx_600_firmware:*:*:*:*:*:*:*:*
zoom poly ccx 700 firmware= 5.15.0nvdUScpe:2.3:o:zoom:poly_ccx_700_firmware:*:*:*:*:*:*:*:*
zoom rooms= 5.15.0nvdUScpe:2.3:a:zoom:rooms:*:*:*:*:*:*:*:*
zoom video software development kit= 1.8.0nvdUScpe:2.3:a:zoom:video_software_development_kit:*:*:*:*:*:*:*:*
zoom yealink mp54 firmware= 5.15.0nvdUScpe:2.3:o:zoom:yealink_mp54_firmware:*:*:*:*:*:*:*:*
zoom yealink mp56 firmware= 5.15.0nvdUScpe:2.3:o:zoom:yealink_mp56_firmware:*:*:*:*:*:*:*:*
zoom yealink vp59 firmware= 5.15.0nvdUScpe:2.3:o:zoom:yealink_vp59_firmware:*:*:*:*:*:*:*:*
zoom zoom= 5.15.0nvdUScpe:2.3:a:zoom:zoom:*:*:*:*:*:*:*:*
zoom zoom= 5.15.1nvdUScpe:2.3:a:zoom:zoom:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1607Zoom Video Communications Zoom Client: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2023-06-29csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Zoom Video Communications Zoom Client ausnutzen, um Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-06-30modified 2026-06-17

related (696)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2018-18325US	high7.5OT critical	74.0% (99th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input parameters. NOTE: this issue exists because of an incomplete fix for CVE-2018-15811.
CVE-2018-15811US	high7.5OT critical	76.3% (100th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
CVE-2017-1000486US	critical9.8OT critical	94.1% (100th)	KEV	2018-01-03
Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution
CVE-2017-11317US	critical9.8OT critical	84.2% (100th)	KEV	2017-08-23
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitr…
CVE-2016-2183US	high7.5OT high	94.7% (100th)	Exploit	2016-09-01
The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which mak…

+691 more

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan